Huiyang aviation propeller co., ltd (abbreviated as AVIC Huiyang, formerly Baoding Huiyang aviation propeller factory) was established in 1960. It is the only specialized enterprise engaged in R&D and production of aviation propellers in China, and also a scientific research and production enterprise of main moving parts such as helicopter rotor hub and tail rotor. It is a large second-class enterprise in China. The company is located in Baoding, an ancient historical and cultural city in Hebei Province, and belongs to aviation industry corporation of china.