Dalian Chengyi Machinery Trade Co., Ltd.

We are the bearings supplier from China, Our clients are factories and producers from steel industry, mining industry, cement industry, petroleum industry and others.

We have competitive prices and high-quality of bearings including the ultra-precision ceramic bearings and high-precision Si3N4 ceramic balls.

Over the years, the company has undertaken CNC machine tool bearings, nuclear power bearings, heavy vehicle bearings, aircraft engine bearings, industrial robot bearings and other local government′s scientific and technological research and development projects, have achieved success.

Located in the beautiful Jinpu new area of Dalian, our company is mainly engaged in the R & D and production of small and medium-sized P2 and P4 high-end bearings. The accuracy and performance have reached the international advanced level. It can be widely used in important fields of national defense and civil use, such as high-end CNC lathes, aerospace, military industry, nuclear power, industrial robots, high-speed railways, subways, automobiles, industrial machinery and so on.

After 20 years of in-depth research, he has mastered the processing technology and equipment manufacturing of ceramic balls, bearing rings and cages, has all independent intellectual property rights, and has obtained 18 national invention patents,