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On July 29, 2025, the 2025 First Greater Bay Area Automotive Industry Export Development Conference was successfully held in Nansha, Guangzhou. Themed "Opportunities and Challenges of Collaborative Global Expansion for the Greater Bay Area Automotive Industry," the conference attracted numerous industry leaders, experts, scholars, and industry media. Xinxuanyao New Energy Vehicle Sales Company, representing one of the industry's emerging companies, was invited to participate in the conference. General Manager Huang Mi, representing the company, attended the roundtable discussion and delivered key insights. At the forum, General Manager Huang stated that the Greater Bay Area, as a key hub for China's automotive exports, possesses a comprehensive supply chain system and policy support. Xinxuanyao actively responds to the regional collaborative development strategy and is committed to building an integrated global expansion model of "complete vehicles + services + channels." She emphasized, "For new energy vehicles to go global, they rely not only on product strength but also on systematic services and a localized presence. Xin Xuan Yao is leveraging this core strength to promote a multi-dimensional, coordinated global expansion strategy across brands, channels, and data." Xin Xuan Yao has rapidly expanded into overseas markets in recent years. Leveraging high-quality new energy vehicle products and effective marketing strategies, it has established a solid sales network in Southeast Asia, the Middle East, and other regions. This participation not only showcased the company's expertise and foresight in the export industry, but also highlighted its strategic position within the Guangdong-Hong Kong-Macao Greater Bay Area's automotive industry ecosystem. Going forward, Xin Xuan Yao will continue to strengthen resource collaboration with stakeholders in the Greater Bay Area, expand international market cooperation, and help Chinese new energy vehicle brands maintain their momentum and accelerate their progress on the global stage.

On July 26, 2025, Chongqing Xinxuanyao Automobile Sales Co., Ltd. welcomed another visit from a long-standing South American customer. This time, the customer came specifically to discuss the purchase of a large number of used new energy vehicles. Mr. Han Shicong, General Manager, personally led the company's sales team throughout the visit. The two sides engaged in detailed and in-depth discussions and negotiations on vehicle performance, after-sales service, and transportation security. After a friendly meeting, the two parties successfully reached a cooperation agreement and signed a contract on the spot to purchase 60 electric vehicles, covering a variety of popular models. Delivery is expected to be completed soon. This cooperation marks the further expansion and deepening of Xinxuanyao's new energy export business in the international market, particularly in South America. General Manager Han expressed his gratitude to the South American customer for their high recognition of the company's products and services. The company will continue to uphold the principle of "quality-oriented and customer-oriented" to provide cost-effective new energy vehicle solutions to customers around the world.

On May 28, 2025, a customer delegation from South America visited Chongqing Xinxuanyao Automobile Sales Co., Ltd. for a visit. Ms. Han Shicong, President of Xinxuanyao, led the company's overseas business department sales team to warmly receive the whole process. The two sides conducted in-depth exchanges and negotiations on deepening cooperation, product experience and after-sales service guarantee. This customer visit focused on the export trade service capabilities and after-sales support system of Xinxuanyao. The customer highly recognized Xinxuanyao's supply chain collaboration, delivery efficiency and after-sales response capabilities. After the inspection, the customer signed a purchase agreement for 100 new energy vehicles on site. This is another trust increase after many successful cooperations, and it also marks the further deepening and expansion of the Xinxuanyao brand in the South American market. Customer representatives praised: "Xinxuanyao not only has a luxurious showroom and strong strength, but also has a trustworthy international service team. From communication, shipment to after-sales support, the cooperation process is efficient and smooth, which is why we continue to choose it." Chongqing Xinxuanyao Automobile Co., Ltd. will continue to provide customers with more competitive intelligent new energy products and full-process services with a global vision and local service capabilities.

In order to further improve the professional quality of employees, enhance teamwork ability, and promote high-quality development of the company, Xin Yao New Energy Automobile Co., Ltd. held an internal training on new energy vehicle professional knowledge on April 21, 2025. The theme of this training is "Technology Innovation and Service Improvement", which attracted colleagues from multiple departments such as operations, marketing, and after-sales service to participate. The training content covers the analysis of cutting-edge technologies of new energy vehicles, optimization of vehicle control systems, power battery management, customer service process reengineering, and corporate culture construction. The technical general manager mainly used the Tang EV2022 EV730km Premium to explain the case. The scene also set up interactive links such as group discussions, case analysis, and on-site Q&A, striving to closely combine theory with practice. Ms. Han Shicong, the company's president, said at the training meeting that with the increasingly fierce competition in the new energy vehicle industry, only by continuous learning and continuous progress can we open a new situation in the changing situation. He encouraged all employees to cherish the training opportunities, actively exchange ideas, and inject more vitality and wisdom into the company's future development. The employees who participated in the training generally gave good feedback, saying that the training content was substantial and fruitful, which not only improved their professional ability, but also deepened their understanding of the company's mission and vision. Xinyao New Energy is an automobile company focusing on the export of new energy vehicles. It is located in Chongqing Yubei Creative Park and has a double-layer automobile showroom of more than 3,000 square meters. The showroom has more than 20 car brands, such as BYD, Deep Blue, Tesla, Nezha, etc., and more than 100 cars are in stock. The smooth holding of this internal training not only demonstrated the management concept of "people-oriented and continuous innovation" of a certain new energy automobile company, but also laid a solid foundation for the company to build a learning organization. In the future, the company will continue to strengthen talent training and contribute more to the realization of green travel and sustainable development goals.

Recently, Chongqing Xinxuanyao Automobile Sales Co., Ltd. (hereinafter referred to as "Xin Yao New Energy") welcomed important international friends - Russian customers Mr. Malko and Mrs. Irina. This visit not only deepened the understanding and trust between the two parties, but also laid a solid foundation for future in-depth cooperation. The two parties jointly visited the Qingling Isuzu factory and started a meaningful exchange journey. Xin Yao New Energy warmly welcomed the arrival of Mr. Malko and Mrs. Irina. Han Shicong, the company's president, arranged a professional reception team. From the moment the customer arrived, the customer felt the sincerity and professionalism of Xin Yao New Energy with warm and thoughtful service. At the brief welcome ceremony, the relevant person in charge of Xin Yao New Energy introduced the company's development history, business layout and future plans to the customer, so that the customer had a more comprehensive understanding of the company. Afterwards, accompanied by Han Shicong and the foreign trade team of Xin Yao New Energy, Mr. Malko and Mrs. Irina visited the Qingling Isuzu factory in depth. Qingling Isuzu (Chongqing) Engine Co., Ltd. is a Sino-Japanese joint venture established by Qingling Motors Co., Ltd. and Isuzu Motors Co., Ltd. of Japan. Since its establishment in 2007, it has established a good reputation in the field of automobile engines with advanced technology and excellent quality. In the factory, advanced production equipment operates in an orderly manner, and 19 machining production lines and 5 assembly and testing lines work efficiently and collaboratively, demonstrating strong production capacity. The company has introduced more than 500 sets of advanced equipment from developed countries such as Japan, the United Kingdom, and the United States, providing a strong guarantee for the production of high-tech, high-quality Isuzu diesel and gasoline engine assemblies and core machining parts. The engine assembly covers 6 series of automotive engines such as 4J, 4K, 4Z, 4H, 6H, and 6U, and 4J series non-road engines, which are widely used in various commercial vehicles and engineering machinery fields. During the visit, the strict quality management system of the factory left a deep impression on the customers. The company has continuously introduced Isuzu's latest products, manufacturing, processes and management technologies, and has the manufacturing experience and technical management team to produce nearly 1 million Isuzu engines. We have successively passed ISO9001, TS16949 and Isuzu Engineering Inspection and other quality system certifications, learned and borrowed Isuzu's quality management methods such as quality meeting, current object management table, two-minute inspection, torque management, cutting fluid management, etc. Through self-inspection, mutual inspection, online inspection, patrol inspection and other methods, we strictly control the quality of the manufacturing process to ensure that each engine has excellent quality. After the visit, the two sides held an in-depth exchange seminar. Xinyao New Energy detailed the company's advantages and experience in the field of new energy vehicle sales, as well as the results and future plans of cooperation with Qingling Isuzu. As a leader in the field of new energy vehicle sales, Xinyao New Energy has been committed to providing customers with high-quality, high-performance new energy vehicles and high-quality after-sales services. With rich industry experience, a complete sales network and a professional service team, the company has won a good reputation and wide recognition in the market. Mr. Malko and Mrs. Irina highly appreciated the advanced technology and strict quality management of the Qingling Isuzu factory, and shared the development status and potential of the Russian market in the automotive field. They pointed out that with the global emphasis on environmental protection and sustainable development, the demand for new energy vehicles and energy-efficient vehicles in the Russian market is also gradually increasing. Qingling Isuzu's products have advanced technology, excellent performance and reliable quality, which are very in line with the needs of the Russian market. This visit hopes to establish a long-term and stable cooperative relationship with Xinyao New Energy and Qingling Isuzu, introduce more high-quality automotive products into the Russian market, and provide Russian consumers with more choices and a better travel experience. After in-depth exchanges and friendly negotiations, the two sides reached a broad consensus on future cooperation. The two sides agreed to carry out comprehensive cooperation in automobile sales, after-sales service, and market promotion. Xinyao New Energy and Qingling Isuzu will provide customized products and services for the Russian market, and optimize product configuration and after-sales service solutions according to the characteristics and needs of the Russian market. At the same time, the two sides will also jointly carry out marketing activities to improve the brand's visibility and reputation in the Russian market. The visit of Russian customers this time is an important step for Xinyao New Energy to expand its international market, and it is also a good opportunity for Qingling Isuzu to further explore the international market. Through in-depth cooperation with Russian partners, Xinyao New Energy and Qingling Isuzu will further expand their international market share and enhance the international influence of the brand. In the future, Xinyao New Energy will continue to uphold the purpose of "providing customers with high-quality products and services", work closely with Qingling Isuzu, and continuously improve the technical level and quality standards of products. At the same time, actively respond to international market demand, strengthen exchanges and cooperation with global partners, and jointly promote the development and progress of the automotive industry. I believe that with the joint efforts of both parties, we will be able to achieve mutual benefit and win-win results and create more brilliant results.

Recently, Chongqing Xinxuanyao Auto Sales Co., Ltd. (hereinafter referred to as "Chongqing Xinxuanyao Auto"), a leading enterprise in the field of automobile export trade, its president Ms. Han Shicong personally led the team to Horgos, Suifenhe, Manzhouli and other places for in-depth investigation and research. This move indicates that Chongqing Xinxuanyao Auto is accelerating its overseas business layout and further consolidating its leading position in the global automobile export market. As a leader in automobile export trade, Chongqing Xinxuanyao Auto has its business spread across the global market, providing high-quality automobile products and services to global customers. During this investigation and research, President Han Shicong and his team had an in-depth understanding of the market environment, policy advantages and logistics conditions in Horgos, Suifenhe, Manzhouli and other places, aiming to find the best solution for the company's future overseas business expansion and overseas warehouse establishment. During the inspection, the Chongqing Xinxuanyao Auto team had in-depth exchanges and communications with local government departments, industry associations and potential partners. President Han Shicong introduced in detail the development history, product advantages and future strategic planning of Chongqing Xinxuanyao Auto, and said that the company attaches great importance to cooperation opportunities with various regions and looks forward to opening a new chapter of mutually beneficial and win-win cooperation through joint efforts. It is reported that Chongqing Xinxuanyao Auto is expected to set up overseas warehouses in Horgos, Suifenhe, Manzhouli and other places next year. This will help the company to serve overseas markets more efficiently, improve the timeliness and stability of product supply, and also help to reduce logistics costs and further enhance the company's global competitiveness. President Han Shicong said that Chongqing Xinxuanyao Auto will continue to uphold the principle of "quality first, customer first", continuously improve its own strength and service level, and bring more satisfactory car buying experience to global customers. At the same time, Chongqing Xinxuanyao Auto will continue to strengthen exchanges and cooperation with international partners, jointly promote the sustainable development of the global automobile industry, and contribute more to the prosperity of the global market. This inspection and research not only provides strong support for the overseas business expansion and overseas warehouse establishment of Chongqing Xinxuanyao Auto, but also further demonstrates the leading position and global vision of Xinxuanyao Company in the field of automobile export trade. We expect Chongqing Xinxuanyao Auto to achieve even greater success in its future development and bring better quality products and services to global customers.

On October 15, 2024, the Burkina Faso automobile dealer visited the headquarters of Chongqing Xinxuanyao Automobile Sales Co., Ltd. (hereinafter referred to as "Xinxuanyao Automobile") for in-depth business inspections and exchanges. It aims to explore cooperation opportunities with Chinese automobile companies and jointly promote the prosperity and development of the automobile industry of the two countries. Han Shicong, President of Xinxuanyao Automobile, personally led the company's core team to express warm welcome and sincere gratitude to the guests who came from afar. At the welcoming ceremony, President Han Shicong gave a detailed introduction to the company's development history, market layout, product advantages and future strategic planning, and said: "We cherish this opportunity to communicate with our customers in Burkina Faso and hope that through the joint efforts of both sides, we can create a new situation of mutually beneficial and win-win cooperation." Accompanied by President Han Shicong, the customer delegation visited the company's exhibition hall, strength and after-sales service center, and highly praised the product quality, technological innovation and service system provided by the company. In the subsequent business negotiations, the two sides had in-depth discussions on market trends, product adaptability, cooperation models and other topics, and actively discussed the cooperation intention for 2025. After several rounds of fruitful talks, the two sides finally reached a cooperation intention for 2025, including product supply, technical support, market expansion and other aspects. The Burkina Faso customer said that they were deeply impressed by the professional capabilities, product quality and market influence of Xinxuanyao Automobile, and they look forward to further strengthening cooperation in the future to jointly promote the prosperity and development of the automobile industry of the two countries. Qian Xingyu, the Foreign Trade Division of Xinxuanyao, said at the end of the negotiation: "We are very happy to reach a cooperation intention with the Burkina Faso customer. This is the result of the joint efforts of both parties and an important milestone in the cooperation between the China-Africa automobile industry. We will continue to uphold an open and cooperative attitude, strengthen exchanges and cooperation with international partners, and jointly promote the sustainable development of the global automobile industry." This visit not only deepened the mutual understanding between China and Africa in the field of the automobile industry, but also laid a solid foundation for possible future cooperation. Chongqing Xinxuanyao Automobile Sales Co., Ltd. will continue to uphold the principle of "quality first, customer first", continuously improve its own strength and service level, and provide global customers with better products and services.

On October 22, 2024, Chongqing Xinxuanyao Auto Sales Co., Ltd. (hereinafter referred to as "Xin Yao New Energy") welcomed a group of important international partners-A delegation of African car dealers. This delegation, composed of representatives of leading automobile companies in many African countries, arrived in Chongqing, visited and communicated with Xinxuanyao Auto in depth, and successfully reached a strategic cooperation intention. At the headquarters of Xinxuanyao Auto, the company's president Han Shicong and the company's senior team warmly welcomed the arrival of the African car dealer delegation. In his speech, President Han Shicong said: "We are very honored to welcome the visit of the African car dealer delegation. This is not only a recognition of our company, but also an important opportunity for exchanges, mutual learning, and win-win cooperation between the Chinese and African automobile industries. We look forward to further deepening the understanding of both sides through this visit and jointly promoting the prosperity and development of the Chinese and African automobile industries." Accompanied by President Han Shicong, the delegation visited the company's exhibition hall, export process and after-sales service center, and learned in detail about the company's automotive products, technological innovations and after-sales service system. The delegation members spoke highly of the company's product quality, technological innovation and service system, and expressed their confidence in the future development of Xinyao New Energy. In the subsequent business negotiations, the two sides had in-depth discussions on market trends, product adaptability, cooperation models and other topics. After several rounds of fruitful talks, the two sides finally reached a strategic cooperation intention, including product supply, technical support, market expansion, after-sales service and other aspects. Both sides expressed that they will work together to promote the cooperation between China and Africa in the automotive industry to a new height and achieve mutual benefit and win-win results. Han Shicong, President of Xinyao New Energy, said at the end of the talks: "We are very pleased to reach a strategic cooperation intention with the African car dealer delegation. This is the result of the joint efforts of both sides and an important milestone in the cooperation between China and Africa in the automotive industry. We will continue to uphold an open and cooperative attitude, strengthen exchanges and cooperation with international partners, and jointly promote the sustainable development of the global automotive industry." The visit of the African car dealer delegation not only deepened the mutual understanding between China and Africa in the field of the automotive industry, but also laid a solid foundation for possible future cooperation. Xinxuanyao Automobile will continue to uphold the principle of "quality first, customer first", continuously improve its own strength and service level, and provide global customers with better products and services. With the conclusion of the strategic cooperation between the two parties, the cooperation prospects between Xinxuanyao Automobile and African car dealers will be broader. In the future, the two parties will jointly write a new chapter in the cooperation between the China-Africa automobile industry and contribute more to promoting China-Africa economic and trade cooperation and the prosperity and development of the automobile industry.

On October 24, Chongqing Xinxuanyao Automobile Sales Co., Ltd. (hereinafter referred to as "Chongqing Xinxuanyao Auto") was invited to participate in the "Chongqing Tour" event hosted by the International Chamber of Commerce of the New Land-Sea Corridor and the subsequent cooperation roundtable. This event not only demonstrated Chongqing Xinxuanyao Auto's leading position in the automotive industry, but also provided a valuable opportunity for the company to communicate and cooperate with global partners. The establishment of the International Chamber of Commerce Alliance of the New Land-Sea Corridor is an important measure to implement the spirit of the 20th National Congress of the Communist Party of China and the Second and Third Plenary Sessions of the 20th Central Committee. It is also a practical action to respond to the important speech of General Secretary Xi during his inspection of Chongqing and the series of important speeches on the construction of the Western Land-Sea Corridor. The alliance was jointly initiated by the China Chamber of International Commerce and Chongqing Municipal Trade Promotion Council and other units. It aims to create a good development pattern through consultation, construction and sharing, stimulate the economic vitality of the corridor, and enhance the economic and trade level of the corridor. The "Chongqing Tour" event was recently held at Yuzhou Hotel in Chongqing, attracting business people from all over the world. As an important automobile sales company in Chongqing, Xinyao Automobile's president Han Shicong personally led the team to participate in this event. Subsequently, the cooperation roundtable of the International Chamber of Commerce of the New Land-Sea Corridor aims to strengthen the exchanges and cooperation between Chongqing and the global business community and promote the construction of Chongqing's inland open highland. As a representative enterprise in Chongqing, Xinyao Automobile actively participated in the discussion of this roundtable. At the meeting, Xinyao Automobile had in-depth exchanges with a number of international companies and discussed the possibility of future cooperation in automobile sales, technological innovation, market expansion and other aspects. It is worth mentioning that the New Land-Sea Corridor, as an important strategic opportunity to promote the high-quality development of Chongqing, has achieved remarkable results in recent years. At the roundtable, the guests said that the construction of the New Land-Sea Corridor not only provides an important platform for exchanges and cooperation between Chongqing and the global business community, but also provides strong support for Chongqing enterprises to go global and expand international markets. The Xinyao Automobile delegation stated at the roundtable that Xinyao Automobile will actively respond to the country's "Belt and Road" initiative, make full use of the convenient channel advantages of the New Land-Sea Corridor, and strengthen exchanges and cooperation with global partners. In the future, Xinyao Auto will continue to uphold the core concept of "innovation, quality, and service", continuously improve product quality and service level, and strive to become a global leading automobile sales company. During the "Chongqing Tour" event and cooperation roundtable, Xinyao Auto reached a preliminary cooperation intention with a number of international companies, injecting new impetus into the company's future development. At the same time, Xinyao Auto also took this opportunity to demonstrate the company's strength and brand image, further enhancing the company's visibility and influence in the international market. In the future, Xinyao Auto will continue to strengthen exchanges and cooperation with global partners to jointly promote the prosperity and development of the automotive industry.

The use of New Car engine pistons also requires lubrication. What form of lubrication is used for New Car engine piston lubrication? The Fuel Car engine piston lubrication adopts splash lubrication. Let us introduce it in detail. The characteristics of splash lubrication are: the lubricating oil splashes to the upper part and the surrounding through the movement of the connecting rod and the crankshaft, and then the lubricating oil can be evenly covered on the cylinder wall through the reciprocating movement of the piston and the sliding of the oil ring, and will not enter the combustion chamber in large quantities. The lubrication required by the piston is mainly between the piston and the cylinder wall and the piston pin. Although the New Car engine piston is equipped with gas rings and oil rings to achieve better sealing, it is still impossible to completely avoid the occurrence of blowby and a very small amount of lubricating oil entering the combustion chamber. Under normal circumstances, it will not affect the New Car engine, but if it exceeds a certain amount, it will have an adverse effect on the Fuel Car engine, such as increased wear of the piston and cylinder wall, increased oil loss and aging, decreased power of the New Car engine, and increased fuel consumption. From this point of view, the most important thing for the effective lubrication of the piston is to have enough lubricating oil and replace it with qualified oil in time.

During the use of New Car pistons, they often encounter wear. Common damage to Fuel Car pistons includes wear of New Car piston ring grooves, wear of piston skirts, wear of New Car piston pins and Fuel Car piston pin seat holes. Let's take a detailed look at their specific wear. The New Car piston ring groove is the most severely worn part of the New Car piston. Usually the first ring groove is the most severely worn, and the wear degree of the second, third and fourth ring grooves decreases in turn. After wear, the cross section of the ring groove is trapezoidal, the outer width becomes narrower, and the side clearance increases, resulting in air and oil leakage in the cylinder, poor engine power performance, poor lubrication, and large carbon deposits in the combustion chamber. The main reason is that the gas pressure increases the unit pressure of the Fuel Car piston ring on the ring groove. Due to the high-speed reciprocating motion of the New Car piston, the New Car piston ring has a great impact on the ring groove. In addition, the high temperature of the combustion gas makes the working temperature of the New Car piston head higher. The closer to the top of the Fuel Car piston, the higher its temperature and gas pressure. So the first ring groove wears the most, and the wear of the subsequent ring grooves gradually decreases. The wear of the ring groove is mainly on the lower plane, and less on the upper plane, so that the ring groove is worn into a trapezoid with a small inside and a large outside, which increases the side clearance of the New Car piston ring and causes oil leakage. Due to the support of the Fuel Car piston ring, the New Car piston head rarely contacts the cylinder wall and the wear is very small. Although the piston skirt contacts the cylinder wall, the pressure per unit area is small and the lubrication conditions are good, so the wear is less, and it is usually easy to wear and scratch on the side that bears the lateral force. When the gap between the piston skirt and the cylinder wall is too large, the engine is prone to knock and serious oil leakage. Therefore, the overhaul of the engine mainly depends on the gap between the New Car piston and the cylinder wall and the degree of wear of the cylinder. When the New Car piston is working, due to the inertial force of the gas pressure, the New Car piston pin seat hole has elliptical wear, and the maximum wear position is in the upper and lower directions of the seat hole, which makes the New Car piston and pin loose and emits abnormal noise.

If the skirt of a New Car piston is round when it is cold, it will become an ellipse when it is working, making the circumferential clearance between the New Car piston and the cylinder unequal, causing the Fuel Car piston to get stuck in the cylinder, and the engine cannot work normally. Therefore, the piston skirt is made into an ellipse in advance during processing. The long axis direction of the ellipse is perpendicular to the pin seat, and the short axis direction is along the pin seat direction. In this way, the New Car piston approaches a perfect circle when working. The temperature of the New Car piston along the height direction is very uneven. The temperature of the New Car piston is high at the top and low at the bottom, and the expansion volume is also large at the top and small at the bottom. In order to make the upper and lower diameters of the New Car piston equal when working, that is, cylindrical, the Fuel Car piston must be made into a stepped or conical shape with a small top and a large bottom in advance. In order to reduce the heat received by the piston skirt, a horizontal heat insulation groove is usually opened on the skirt, and in order to compensate for the deformation of the skirt after heating, a longitudinal expansion groove is opened on the skirt. The shape of the groove is "T" or "Π" groove. The horizontal groove is usually opened below the lowest ring groove, on both sides of the pin seat on the upper edge of the skirt (some are opened in the oil ring groove) to reduce the heat transfer from the head to the skirt, so it is called a heat insulation groove. The vertical groove will make the skirt have a certain elasticity, so that the gap between the New Car piston and the cylinder is as small as possible during assembly, and it has a compensatory effect in the hot state, so as not to cause the New Car piston to get stuck in the cylinder, so the vertical groove is called an expansion groove. After the vertical groove is opened on the skirt, the rigidity of the grooved side will be reduced. When assembling, it should be located on the side with less side pressure in the power stroke. The piston of a diesel engine New Car is subjected to large forces, and the skirt is generally not grooved.

The skirt of the New Car piston refers to the part from the lower end face of the oil ring groove to the lowest end of the piston, which includes the pin seat hole for the piston pin. The skirt of the New Car piston guides the reciprocating motion of the piston in the cylinder and bears the side pressure. The length of the skirt depends on the size of the side pressure and the diameter of the piston. The so-called side pressure refers to the horizontal component of the gas pressure acting on the top of the piston during the compression stroke and the power stroke, which presses the piston against the cylinder wall. The side pressure direction of the gas in the compression stroke and the power stroke is exactly opposite. Since the combustion pressure is much higher than the compression pressure, the side pressure in the power stroke is also much higher than the side pressure in the compression stroke. The two sides of the Fuel Car piston skirt that bear the side pressure are called thrust surfaces, which are in a direction perpendicular to the axis of the piston pin. In order to make the two sides of the skirt bear the gas pressure and maintain a small and safe gap with the cylinder, the piston is required to have a correct cylindrical shape when working. However, due to the uneven thickness of the piston skirt of a Fuel Car, the metal in the piston pin seat hole is thick, which expands greatly due to heat, and the deformation along the piston pin seat axis is greater than in other directions. In addition, the skirt is subjected to the pressure of the gas side, resulting in a greater deformation along the piston pin axis than in the direction perpendicular to the piston pin.

In order to improve the performance and efficiency of Fuel Car engines, the design of modern New Car engine pistons is becoming more and more optimized. The main optimization measures include: 1. Lightweight design: By using lightweight materials and optimizing the shape, the mass of the piston is reduced, thereby reducing the inertial force and improving the response speed of the Fuel Car engine. 2. Coating technology: Special coating treatment on the piston surface can reduce friction, reduce wear, and improve heat resistance and corrosion resistance. 3. Shape optimization: Through computational fluid dynamics (CFD) and other technologies, the shape of the piston is optimized to improve the fluidity of the air flow and enhance combustion efficiency. 4. Cooling system: In some high-performance New Car engines, cooling channels are designed inside the piston to reduce the temperature of the piston and prevent overheating and deformation. The piston of a New Car engine is an indispensable and important component of the internal combustion engine. Its movement principle and performance directly affect the working efficiency and power output of the New Car engine. Through continuous technological innovation and design optimization, the performance of modern pistons has been significantly improved, providing strong support for the development of the New Car industry. Understanding the motion of the piston and its related characteristics is of great significance for our further research and development of high-efficiency New Car engines.

In this state, the front-wheel drive vehicle will cause the left tire to have too small a contact area. After the center of gravity is shifted, the body will greatly compress the tire under the heavy pressure on the left side. At this time, it is very likely that the sidewall of the wheel will be squeezed and damaged, or the wheel hub will directly hit the ground and cause damage. This is why the rear wheel hubs of many front-wheel drive New Car with torsion beams are easily scratched, or the sidewalls of the rear tires age faster. In the same state, rear-wheel drive vehicles will cause more serious damage to the wheel hubs and tires, and will also reduce the passing ability (slipping). The rear wheels of front-wheel drive vehicles are driven wheels, and being pulled by the front wheels will not accelerate tire wear or wheel hub bumps at high speeds; but the rear wheels of rear-wheel drive vehicles are power output wheels. At this time, the contact area with the ground is reduced, which will inevitably make it easier to slip, and the high-speed operation of slipping will cause accelerated damage. Many vans or light buses with rear-wheel drive integral bridges are equipped with iron wheels that have obvious line-up. This is the reason. Note: The structural characteristics of the integral bridge are similar to those of the torsion beam of a New Car, except that it cannot be twisted and deformed, but it also means that the wheels on both sides are fixed on a rigid hard bridge; secondly, rear-wheel drive vehicles will mainly choose an integral bridge with an integrated transmission gear, while the use of a Fuel Car torsion beam plus rear-wheel drive will have a more complex transmission structure and increase the failure rate of the rear axle. Fortunately, all Fuel Car torsion beam rear-wheel drive vehicles have been discontinued.

The non-independent torsion beam suspension of New Car is the most commonly used rear suspension structure for entry-level domestic New Car and joint venture vehicles. This type of suspension has two main advantages; the first point is obviously that the manufacturing cost is very low, which can reduce the material cost for the car company and reduce the vehicle's guide price. Of course, joint venture cars will not make concessions in terms of the guide price even if they use Fuel Car torsion beams, because this involves the brand premium ability. The second major advantage is that the load-bearing capacity of the Fuel Car torsion beam suspension is slightly stronger. By using a hard beam with a certain torque capacity as a load-bearing, the load-bearing capacity and structural stability can be guaranteed under the dynamic state of vehicle driving; so some entry-level passenger and cargo vehicles (passenger vehicles) will also use Fuel Car torsion beams, such as FF (front-engine front-drive) vans and light buses. The load-bearing capacity of the Fuel Car torsion beam suspension is indeed stronger. Compared with the independent suspension whose "anchor point" of the slipknot is fixed on the frame and can only be supported by coil springs or air bag springs, its Fuel Car torsion beam body has a certain torsion resistance and load-bearing capacity. But precisely because the torsion limit of this steel beam is too low, relying solely on the movable swing arm and coil spring support will reduce the compression stroke; a more colloquial explanation is that after the coil spring is compressed to a certain extent and the Fuel Car torsion beam is twisted to a certain extent, the torsion limit of the beam will be reached. At this time, the Fuel Car torsion beam becomes a "lever". Please see the torsion state of the Fuel Car torsion beam below. Hypothetical scenario: The vehicle is driving at a low speed on a rugged road. At this time, the road surface is raised to support the right wheel; at this time, the swing arm and coil spring are supported (compressed) and twist the Fuel Car torsion beam. What should be done after the Fuel Car torsion beam reaches the torsion limit? The only way to deal with the car body is to support the right side, because the beam body and the coil spring shock absorber have reached their limits, and the raised road surface will inevitably lift the car body. That is to say, the compression travel limit of the coil spring of the Fuel Car torsion beam suspension is limited by the Fuel Car torsion beam, and the body roll is difficult to control; this structure can still be used for cars driving on urban roads, but it is a poor choice for SUVs driving on rugged roads, because severe body roll will increase the probability of vehicle rollover.

When driving, the gasoline in the carbon deposits will be discharged as the temperature of the New Car engine rises, which will cause the oil and gas in the New Car engine to be too concentrated, so the New Car engine will shake again, and the carbon deposits will also adhere to the throttle, which will also affect the intake volume of the car, which will cause problems with the air pressure in the cylinder, and naturally, shaking will inevitably occur. It is precisely because of this that the mechanic will say that many of them are caused by carbon deposits, rather than problems with the components between the New Car engines, and carbon deposits will also cause the fuel consumption of Fuel Car to become higher and higher. The New Car engine will not only shake, but also because of the carbon deposits, the power of the New Car engine will be greatly affected and will gradually decrease. Therefore, in order to avoid these problems caused by carbon deposits, many car owners will go to 4S stores regularly to disassemble and clean them. In this way, you can solve these problems caused by carbon deposits and keep the New Car engine in a better working condition. Of course, if you think this costs too much, you can also buy some fuel saver online for thirty or fifty yuan and put it directly in the fuel tank. It can clean along the fuel tank, and the effect is not much different from going to a 4S store. It can also make the gasoline burn more thoroughly, so that the New Car engine will naturally not shake, and the car will be more fuel-efficient.

1. New Car steering support The New Car bogie is used to increase the vehicle's load and speed, and can also adapt to the development of railway transportation. 2. During normal operation, the car body can be reliably positioned on the Fuel Car bogie, and the rolling of the wheel along the track is converted into the translation of the car body along the track line through the bearing device. 3. The New Car steering support is mainly used to support the car body, bear and transmit various loads and forces of the car body to the wheelset, and evenly distribute the axle weight. 4. In order to ensure that the vehicle can travel safely and flexibly along a straight line and pass through curves smoothly. 5. The Fuel Car steering support structure should be easy to install the spring damping device and have good damping characteristics to alleviate the interaction between the vehicle and the line quality inspection, reduce vibration and impact, reduce pressure, and improve the stability and safety of vehicle operation. 6. Use the adhesion between the wheel and the rail to transmit traction and braking force, amplify the braking force generated by the brake cylinder, and make the vehicle have a good braking effect. 7. The Fuel Car steering support is an independent component of the vehicle, which is easy to disassemble, independently manufacture and repair.

1. Form the dashboard frame, install and fix the dashboard and ensure its strength. 2. The steering support of a New Car can fix and support the steering column of a New Car, ensuring the rigidity and strength of the upper shaft of the New Car steering. 3. Provide buckle installation points for the harness channel. 4. Provide installation positioning points for electrical components to ensure installation rigidity. 5. The steering support of a New Car connects the left and right car bodies to the front panel of the engine compartment, improves the rigidity of the car body, and protects the safety of the cockpit occupants. The steering system of a New Car is the carrier of the dashboard and the internal styling layout, and also affects the passenger space. It has a certain effect on improving the safety and ride comfort of Fuel Car.

The New Car steering support includes side beams and cross beams. The air spring cylinder on the side beam occupies the space under the vehicle. Further enriching the layout of the frame is a technical problem that technicians need to solve. So, what are the implementation elements of the New Car steering support technology of wholesale manufacturers? 1. The New Car steering support is a Fuel Car bogie frame, including side beams and support members. The New Car steering support of the New Car steering support wholesale manufacturer is located on the inner side of the middle part of the side beam web and forms its second chamber. An empty spring mounting seat is provided on the top of the side beam, and the support part can support the empty spring mounting seat. 2. The first chamber is formed in the inner cavity of the side beam of the Fuel Car steering support, and the first chamber and the second chamber are connected, and together serve as an additional air chamber for the air spring. The empty spring mounting seat is eccentrically arranged relative to the side beam top plate, and the middle part of the side beam top plate of the Fuel Car steering support of the New Car steering support wholesale manufacturer extends inward, and the empty spring mounting seat is partially located in the extension part. 3. The support part supports the extension part to support the empty spring mounting seat. Optionally, the support portion has a gusset plate, which is buckled on the inner side of the side beam web, and the two ends of the gusset plate are connected to the crossbeam of the New Car bogie, and the crossbeam, the side beam web and the gusset plate enclose its secondary chamber. 4. The support part of the New Car steering support also includes a support rib plate, one end of which is connected to the top of the gusset plate, and a drainage hole is provided on the bottom of the gusset plate or the bottom plate of the side beam. 5. The inner cavity of the side beam of the New Car steering support is provided with two closed ribs, each of which is closed and connected to the top plate, bottom plate and web of the side beam, and a first chamber is formed between the two closed ribs, and a mounting seat is provided at the bottom of the side beam, and the position of the closed rib corresponds to its mounting seat.