Which company produced Changjiang 2000 aero-engine?

Changjiang 2000 aero-engine is produced by China No.2 Heavy Machinery Group Company. According to relevant public information, on February 7th, 200211,China No.2 heavy machinery group co., ltd. (China Zhong Er for short) successfully broke through the manufacturing technology of the fan disk of Changjiang 2000 engine, and accumulated technical experience for forging and heat treatment of this kind of products. Changjiang 2000 aero-engine is the backup power system of domestic CR929 passenger plane, and it is the only domestic engine with low noise and sufficient power, and its comprehensive performance has reached the world advanced level. China No.2 Heavy Machinery Group is a large enterprise group directly managed by the central government.