1. Wei Chai: Wei Chai, founded in 1946, is one of the earliest diesel engine manufacturers in China and one of the most comprehensive automobile and equipment manufacturing groups in China.
2. Yuchai: Guangxi Yuchai Machinery Group Co., Ltd. was established in 195 1 and headquartered in Yulin, Guangxi. It is the most complete and complete internal combustion engine manufacturing base in China.
3. Shanghai Diesel Engine Co., Ltd., formerly known as Shanghai Diesel Engine Factory, was founded in 1947. Is a national large-scale high-tech enterprise engaged in R&D and engine, spare parts and generator sets manufacturing.
4. Xichai: Xichai has the leading independent research and development capability in China.
5. National Heavy Duty Truck: China National Heavy Duty Truck was established in 1956. It is the first batch of state-level enterprise technology centers in China. It has a testing laboratory recognized by the National Accreditation Committee of Chinese Laboratories, and has all-round R&D and testing capabilities for the supply of vehicles, engines, parts and materials.
6. Chai Quan: Chai Quan Group Co., Ltd. is located in Quanjiao, a historic city in eastern Anhui. Founded in 1949, it is a modern enterprise group integrating R&D, manufacturing, management and investment, and is the largest R&D and four-cylinder diesel engine manufacturing enterprise in China at present.
7.Lovo: Tianjin Lovo Engine Co., Ltd. is a modern diesel engine manufacturer integrating R&D, manufacturing, sales and service.
8. Yunnei: Kunming Yunnei Power Co., Ltd. was established in 1999, with Yunnan Internal Combustion Engine Factory as the exclusive sponsor.
9. Donglai: Shandong Huayuan Donglai Internal Combustion Engine Co., Ltd. is located in Laiyang, Shandong Province, and is the main production base of small and medium-sized diesel engines in China.
10, Xinchai: Zhejiang Xinchai Co., Ltd. is a small-bore multi-cylinder diesel engine manufacturer integrating R&D and manufacturing, with serialized products, specialized production and standardized management.