2025 Top 10 cylinder head Suppliers in China

Introduction to Cylinder Head

A cylinder head is a crucial component in an internal combustion engine. It sits atop the engine block and seals the cylinders, forming the combustion chamber. Its primary functions include housing the intake and exhaust valves, spark plugs (in gasoline engines), and fuel injectors. The design and quality of the cylinder head significantly impact engine performance, efficiency, and durability. It must be able to withstand high temperatures, pressures, and mechanical stresses while ensuring proper sealing and efficient gas flow.

Top 10 Cylinder Head Suppliers in China

1. Guangzhou Chaotian Construction Machinery Equipment Co., Ltd.

• Company Introduction: Guangzhou Chaotian Construction Machinery Equipment Co., Ltd. is a well - established enterprise in the field of construction machinery equipment. With years of experience in the industry, it has built a solid reputation for providing high - quality products and excellent services. The company is committed to research and development, production, and sales of various construction machinery parts, including cylinder heads. It has a professional R & D team that continuously innovates and improves product performance to meet the changing needs of the market.
• Website: https://www.chaotianmachinery.com/-Features in Cylinder Head:
  • Precision Manufacturing: The company uses advanced manufacturing techniques and high - precision machining equipment to ensure the dimensional accuracy of cylinder heads. This precision is crucial for proper valve seating, combustion chamber shape, and overall engine performance. For example, the surface finish of the combustion chamber is carefully controlled to optimize the air - fuel mixture combustion process, resulting in better power output and fuel efficiency.
  • Material Selection: They carefully select high - quality materials for cylinder heads. These materials have excellent heat resistance, strength, and corrosion resistance. For instance, they may use special alloys that can withstand the high temperatures generated during engine operation without deforming or cracking. This ensures the long - term reliability of the cylinder heads, reducing the risk of engine failures.

  
  

• Company Advantages:
  • Customization Ability: Guangzhou Chaotian can customize cylinder heads according to customers' specific requirements. Whether it is for a particular type of engine or a unique application, they can design and produce cylinder heads that meet the exact needs of the customers. This flexibility gives them an edge in the market, as many customers have specific performance or design requirements for their engines.
  • Quality Assurance System: The company has a strict quality assurance system in place. From raw material inspection to the final product testing, every step of the production process is closely monitored. They use advanced testing equipment, such as X - ray inspection, ultrasonic testing, and pressure testing, to ensure that each cylinder head meets the highest quality standards.

  
  

2. Weichai Power Co., Ltd.

• Company Introduction: Weichai Power is a leading global power system provider. It has a long - standing history and a wide range of products, including engines, power systems, and related components. The company has a large - scale production base and advanced manufacturing facilities. It invests heavily in research and development, with a team of top - notch engineers and technicians. Weichai Power is known for its high - performance engines, which are widely used in various industries such as heavy - duty trucks, construction machinery, and marine applications.
• Features in Cylinder Head:
  • Advanced Design: Weichai's cylinder heads are designed with the latest engineering concepts. They use computational fluid dynamics (CFD) and finite element analysis (FEA) to optimize the shape of the intake and exhaust ports, combustion chamber, and coolant passages. This results in improved gas flow, better combustion efficiency, and enhanced heat dissipation. For example, the optimized intake ports can ensure a more uniform air - fuel mixture distribution in the combustion chamber, leading to more complete combustion and higher power output.
  • Integrated Technology: The cylinder heads are integrated with other engine components in a seamless manner. They are designed to work in harmony with the engine's fuel injection system, valve train, and cooling system. This integration improves the overall performance and reliability of the engine. For instance, the cooling passages in the cylinder head are designed to match the cooling requirements of the entire engine, preventing overheating and ensuring stable operation.

  
  

• Company Advantages:
  • Strong R & D Capability: Weichai Power has a world - class R & D center that is constantly working on new technologies and product improvements. They are at the forefront of engine technology development, and their cylinder heads benefit from the latest research findings. For example, they are exploring new materials and manufacturing processes to further improve the performance and durability of cylinder heads.
  • Global Service Network: The company has a vast global service network. This means that customers can get timely technical support and after - sales service no matter where they are. In case of any issues with the cylinder heads or other engine components, customers can rely on Weichai's service team to provide quick solutions.

  
  

3. Yuchai Machinery Co., Ltd.

• Company Introduction: Yuchai Machinery is one of the largest engine manufacturers in China. It has a comprehensive product portfolio, covering a wide range of engine power ratings and applications. The company has a strong focus on environmental protection and energy efficiency. It has developed a series of engines that meet the strictest emission standards. Yuchai Machinery has a well - established production and management system, ensuring high - quality products and efficient operations.
• Features in Cylinder Head:
  • Emission - Friendly Design: Yuchai's cylinder heads are designed to support the engine's low - emission performance. They optimize the combustion process to reduce the production of harmful pollutants such as nitrogen oxides (NOx) and particulate matter (PM). For example, the combustion chamber shape is designed to promote more complete combustion, reducing the amount of unburned fuel and emissions.
  • Lightweight Design: The company uses advanced materials and design techniques to reduce the weight of the cylinder heads. This not only improves the fuel efficiency of the engine but also reduces the overall weight of the vehicle or equipment. For instance, they may use aluminum alloys in the cylinder head construction, which are lighter than traditional cast iron while still maintaining sufficient strength.

  
  

• Company Advantages:
  • Long - Term Industry Experience: Yuchai has been in the engine manufacturing industry for many years. This long - term experience has allowed them to accumulate a wealth of knowledge and expertise in cylinder head design and production. They have a deep understanding of the market requirements and customer needs, enabling them to develop products that are well - suited to the market.
  • Continuous Innovation: Yuchai Machinery is committed to continuous innovation. They regularly introduce new products and technologies to the market. For example, they are constantly researching and developing new combustion technologies and materials for cylinder heads to improve engine performance and reduce emissions.

  
  

4. Cummins (China) Investment Co., Ltd.

• Company Introduction: Cummins is a global power leader with a significant presence in China. It is known for its high - quality engines and power solutions. The company has a strong R & D and manufacturing base in China, producing a wide range of engines for various industries, including automotive, construction, and power generation. Cummins has a reputation for reliability and performance, and its products are widely used around the world.
• Features in Cylinder Head:
  • High - Performance Valvetrain: Cummins' cylinder heads are equipped with a high - performance valvetrain system. The valves are designed to open and close precisely at the right time, ensuring efficient intake and exhaust of gases. This improves the engine's breathing ability and power output. For example, the valve springs are carefully designed to provide the right amount of tension, ensuring proper valve seating and preventing valve float at high engine speeds.
  • Thermal Management Technology: The company uses advanced thermal management technology in its cylinder heads. The coolant passages are designed to effectively dissipate heat from the combustion chamber and other critical areas. This helps to maintain the optimal operating temperature of the engine, improving its performance and durability. For instance, the coolant flow rate and distribution are carefully optimized to prevent hot spots in the cylinder head.

  
  

• Company Advantages:
  • Global Technology Sharing: As a global company, Cummins can share its advanced technologies and R & D results across different regions. This means that its cylinder heads in China benefit from the latest global research and development achievements. For example, new materials and manufacturing processes developed in other parts of the world can be quickly applied to the production of cylinder heads in China.
  • Stringent Quality Control: Cummins has a very strict quality control system. It adheres to international quality standards in every aspect of production, from raw material sourcing to final product assembly. This ensures that each cylinder head meets the high - quality requirements of the global market.

  
  

5. Shanghai Diesel Engine Co., Ltd.

• Company Introduction: Shanghai Diesel Engine Co., Ltd. is a well - known engine manufacturer in China. It has a long history of engine production and a wide range of engine products. The company focuses on technological innovation and product quality improvement. It has a modern production base and a professional R & D team. Its engines are widely used in commercial vehicles, construction machinery, and power generation equipment.
• Features in Cylinder Head:
  • Robust Construction: The cylinder heads produced by Shanghai Diesel Engine are known for their robust construction. They are designed to withstand the high - pressure and high - temperature environment of the engine. The walls of the cylinder head are thick enough to provide sufficient strength, and the internal structure is reinforced to prevent deformation. For example, the cylinder head is designed with a ribbed structure to enhance its rigidity.
  • Improved Gas Exchange: The intake and exhaust ports in the cylinder heads are designed to improve gas exchange efficiency. They have a smooth internal surface and an optimized shape to reduce flow resistance. This allows for a more efficient intake of fresh air and exhaust of combustion gases, resulting in better engine performance. For instance, the shape of the intake ports is designed to create a swirling effect in the incoming air, which promotes better mixing with the fuel.

  
  

• Company Advantages:
  • Local Market Adaptability: The company has a deep understanding of the Chinese market. It can quickly respond to the changing needs of the local market and develop products that are well - suited to the local operating conditions. For example, it can design cylinder heads for engines that are used in different regions of China, taking into account factors such as altitude, temperature, and humidity.
  • After - Sales Service Network: Shanghai Diesel Engine has a comprehensive after - sales service network. It can provide timely maintenance and repair services for its products. This gives customers peace of mind when using their engines and cylinder heads, as they know that they can get support whenever needed.

  
  

6. FAW Jiefang Engine Co., Ltd.

• Company Introduction: FAW Jiefang Engine Co., Ltd. is an important part of the FAW Group, one of the largest automotive manufacturers in China. The company specializes in the production of engines for FAW's commercial vehicles. It has a large - scale production capacity and advanced manufacturing technology. It is committed to providing high - performance and reliable engines to meet the needs of the commercial vehicle market.
• Features in Cylinder Head:
  • Optimized Combustion Chamber: The cylinder heads of FAW Jiefang are designed with an optimized combustion chamber. The shape and size of the combustion chamber are carefully calculated to ensure efficient combustion of the air - fuel mixture. This results in higher power output, lower fuel consumption, and reduced emissions. For example, the combustion chamber is designed to have a high compression ratio, which promotes more complete combustion.
  • Enhanced Valve Sealing: The valve sealing system in the cylinder heads is enhanced to prevent gas leakage. The valve seats are made of high - quality materials and are precisely machined to ensure a tight seal. This improves the engine's performance and reliability, as gas leakage can lead to reduced power and increased emissions. For instance, the valve seats are hardened to resist wear and corrosion.

  
  

• Company Advantages:
  • Integration with Vehicle Manufacturing: As part of the FAW Group, FAW Jiefang Engine can closely cooperate with the vehicle manufacturing department. This allows for better integration of the engine and the vehicle, resulting in a more optimized overall performance. For example, the cylinder heads can be designed to fit perfectly with the vehicle's layout and cooling system.
  • Large - Scale Production Advantage: The company has a large - scale production base, which enables it to achieve economies of scale. This means that it can produce cylinder heads at a lower cost while maintaining high quality. The large - scale production also ensures a stable supply of products to meet the market demand.

  
  

7. Dongfeng Cummins Engine Co., Ltd.

• Company Introduction: Dongfeng Cummins Engine Co., Ltd. is a joint - venture company between Dongfeng Motor Corporation and Cummins Inc. It combines the advantages of both partners, with Dongfeng's strong local market presence and Cummins' advanced engine technology. The company produces a wide range of engines for various applications, including trucks, buses, and construction machinery. It has a modern production facility and a high - level quality control system.
• Features in Cylinder Head:
  • Advanced Manufacturing Processes: Dongfeng Cummins uses advanced manufacturing processes in the production of cylinder heads. For example, it uses precision casting technology to produce complex - shaped cylinder heads with high dimensional accuracy. The surface finish of the cylinder heads is also very high, which is beneficial for the performance of the engine. The casting process is carefully controlled to ensure the quality and integrity of the cylinder head.
  • Cummins - Inspired Design: The cylinder heads are designed with the influence of Cummins' advanced engine design concepts. They inherit the high - performance features of Cummins' products, such as efficient gas flow and reliable valve operation. For example, the intake and exhaust ports are designed based on Cummins' research and development results, which ensure optimal engine breathing.

  
  

• Company Advantages:
  • Joint - Venture Synergy: The joint - venture nature of the company allows it to combine the strengths of both Dongfeng and Cummins. It can access Dongfeng's local resources and market channels, while benefiting from Cummins' global technology and management experience. This synergy gives it a competitive edge in the market.
  • Quality and Reliability Assurance: The company adheres to strict quality and reliability standards. It has a comprehensive quality control system that follows both Chinese and international standards. This ensures that the cylinder heads produced are of high quality and can provide long - term reliable service.

  
  

8. Jiangling Motors Corporation Group Engine Co., Ltd.

• Company Introduction: Jiangling Motors Corporation Group Engine Co., Ltd. is responsible for the engine production of Jiangling Motors. It has a modern engine production line and a professional R & D team. The company focuses on the development of energy - efficient and environmentally friendly engines. Its engines are used in Jiangling's light commercial vehicles, SUVs, and other vehicles.
• Features in Cylinder Head:
  • Energy - Efficient Design: The cylinder heads are designed with energy - efficient features. The combustion chamber is optimized to reduce heat loss and improve the thermal efficiency of the engine. The intake and exhaust systems are also designed to minimize energy consumption. For example, the exhaust gas recirculation (EGR) system in the cylinder head is designed to reduce NOx emissions while improving fuel efficiency.
  • Compact Structure: The cylinder heads have a compact structure, which is beneficial for the overall layout of the engine. This allows for a more efficient use of space in the engine compartment. The compact design also reduces the weight of the engine, which can improve the vehicle's fuel economy. For instance, the internal components of the cylinder head are arranged in a more compact manner without sacrificing performance.

  
  

• Company Advantages:
  • Vehicle - Engine Integration: As part of the Jiangling Motors Group, the company can achieve better vehicle - engine integration. The cylinder heads can be designed to match the specific requirements of Jiangling's vehicles, such as the power output, torque characteristics, and fuel consumption targets. This integration results in a more optimized vehicle performance.
  • Cost - Effective Production: The company has a cost - effective production model. It can produce cylinder heads at a relatively low cost while maintaining good quality. This is achieved through efficient production management, optimized supply chain, and the use of appropriate production technologies.

  
  

9. Anhui Quanchai Engine Co., Ltd.

• Company Introduction: Anhui Quanchai Engine Co., Ltd. is a leading engine manufacturer in China, especially in the field of small - and medium - sized engines. It has a wide range of engine products, which are widely used in agricultural machinery, light commercial vehicles, and power generation equipment. The company has a strong R & D and production capacity, and it is committed to product innovation and quality improvement.
• Features in Cylinder Head:
  • Suitability for Small Engines: The cylinder heads produced by Anhui Quanchai are specifically designed for small - and medium - sized engines. They are optimized to meet the unique requirements of these engines, such as lower power output, better fuel economy, and compact size. For example, the combustion chamber in the cylinder head is designed to be smaller in volume to match the small - displacement engines.
  • Low - Cost Production: The company has developed a low - cost production process for cylinder heads. It uses cost - effective materials and manufacturing methods without sacrificing quality. This allows it to offer competitive - priced cylinder heads in the market. For instance, it may use local materials and simplified manufacturing processes to reduce production costs.

  
  

• Company Advantages:
  • Specialized in Small Engines: Anhui Quanchai's specialization in small - and medium - sized engines gives it an advantage in this market segment. It has in - depth knowledge and experience in designing and producing cylinder heads for these engines. This allows it to provide more targeted solutions to customers in the agricultural and light - commercial vehicle sectors.
  • Local Market Penetration: The company has a strong presence in the local market. It understands the needs and preferences of local customers, especially in rural areas where small - engine equipment is widely used. This enables it to develop products that are well - received by the local market.

  
  

10. Xichai Power Co., Ltd.

• Company Introduction: Xichai Power Co., Ltd. is a well - established engine manufacturer in China. It has a long - standing history of engine production and a wide range of engine products. The company focuses on technological innovation and product quality improvement. It has a modern production base and a professional R & D team. Its engines are widely used in heavy - duty trucks, buses, and construction machinery.
• Features in Cylinder Head:
  • High - Pressure Resistance: The cylinder heads of Xichai Power are designed to withstand high - pressure conditions. They are used in engines with high - compression ratios and high - power outputs. The internal structure of the cylinder head is reinforced to prevent damage under high - pressure operation. For example, the cylinder head is designed with a thick - walled structure and a strong fastening system to ensure its integrity under high - pressure combustion.
  • Improved Cooling Efficiency: The cooling system in the cylinder head is designed to improve cooling efficiency. The coolant passages are arranged in a way that can effectively dissipate heat from the combustion chamber and other critical areas. This helps to prevent overheating of the engine and ensures stable operation. For instance, the coolant flow path is optimized to cover all the hot spots in the cylinder head.

  
  

• Company Advantages:
  • Industry Reputation: Xichai Power has a good reputation in the engine industry. Its products are known for their reliability and performance. This reputation gives customers confidence in choosing its cylinder heads. For example, many heavy - duty truck manufacturers prefer to use Xichai's engines and cylinder heads due to their long - term reliability.
  • Continuous Product Upgrades: The company is committed to continuous product upgrades. It invests in R & D to improve the performance and quality of its cylinder heads. For example, it is constantly exploring new materials and manufacturing processes to make the cylinder heads more efficient and durable.

  
  

Conclusion

The top 10 cylinder head suppliers in China, as mentioned above, play a crucial role in the domestic and international engine market. Each company has its own unique features and advantages in cylinder head production. Some focus on advanced design and technology, such as Weichai Power and Cummins (China), which use the latest engineering concepts and global R & D resources. Others emphasize local market adaptability and cost - effectiveness, like Anhui Quanchai and Shanghai Diesel Engine.

These suppliers not only meet the diverse needs of different industries, including automotive, construction, and power generation, but also contribute to the development of the engine technology in China. With continuous innovation and improvement in product quality, they are well - positioned to compete in the global market and drive the progress of the engine manufacturing industry. As the demand for more efficient, reliable, and environmentally friendly engines continues to grow, these suppliers will likely continue to invest in R & D and expand their product portfolios to meet the future challenges.