Fujian Longxi Bearing Co., Ltd. is a modern state-owned holding listed group company that produces and sells joint bearings, tapered roller bearings and high-end machinery parts. It is one of the top 100 enterprises with core competitiveness in China's machinery industry and a leader in China's joint bearing industry.

The project belongs to the machinery industry. The waste gas components mainly include xylene, benzene series, ethyl acetate and butyl acetate, and non-methane total hydrocarbon. The air volume is 50,000 m³/h, and the concentration of waste gas is less than or equal to 300mg/m³. The treatment efficiency reaches 99%, the whole device is safe, reliable, without any secondary pollution.