Zhuzhou zhongche is good. CRRC in Zhuzhou Smelter is one of the important subsidiaries of CRRC Company, focusing on the research and development, manufacturing, sales and service of rail transit equipment. As one of the leading enterprises in the field of domestic rail transit equipment, Zhuzhou Smelter CRRC has a high reputation and influence in domestic and foreign markets. 33 1 Factory is the code of China Aviation Engine Group Southern Aviation Power Company, one of the key industrial construction projects of New China 156, one of the six early aviation enterprises in China, and the main research and production base of small and medium-sized aero engines. Not as famous and influential as Zhuzhou CRRC.