Wenzhou Ouchai Technology company is a professional belt tensioner factory,especially for heavy vehicle.

Ouchai quality is in strict accordance with the TS16949,ISO9000. OUCHAI people pay attention to quality, customers are satisfied with it.1-OUCHAI have our own mould line,we can develop new items asap.2-Our bearing is make to order. Nylon cage to avoid locking. Grease must be Lubcon from Germany. 3-Spring of tensioner, we make it ourselves.It is especial in China.