The company takes the general manager as the main quality person in charge, and consists of production department, quality inspection department, technology department, finance department and sales department. The production department is mainly responsible for the strict production of all products in accordance with the production process and bearing quality standards; the quality inspection department is mainly responsible for the strict inspection of all products in accordance with the standards. The raw materials of the company's products are made of steel from the No. 5 Shanghai Steel Works and Daye, Hubei Province. In the production process, the product number management is implemented, each part and each set of finished products are numbered, from forgings into the factory, to finished products out of the factory, each process is tracked, tested and recorded, each bearing has a separate quality file, the product has traceability. All parts are inspected in every process, and detailed inspection records are made, including all inspection records between parts, parts inspection records, all inspection before entering assembly workshop, all inspection before packaging and other inspection processes. Perfect quality assurance system and advanced testing methods can effectively guarantee the stability and reliability of product quality, and also improve the market competitiveness of products.