The reducer is a mechanical transmission device in many fields of the national economy. The product categories involved in the industry include various gear reducers, planetary gear reducers and worm reducers, as well as various special transmission devices, such as speed increasing devices and speed regulation Devices, and various composite transmission devices including flexible transmission devices.

On June 17, 2008, the central parity of the RMB against the US dollar broke 6.9 for the first time to 6.8919. Since the exchange rate reform in 2005, the appreciation of the renminbi against the US dollar has exceeded 20% for the first time, reaching 20.09%. The rapid appreciation of the renminbi and the deterioration of the external environment have put tremendous pressure on the exports of Chinese enterprises.