Durable Bearing Co., Ltd.Is specialized in the manufacture and distribution of sliding bearing in Zhejiang province of China.WE offer one of the largest inventories of Bronze Bar, Bronze Tube and Bronze Wear Plate in China.WE products meet ASTM, SAE, QQC, ASME, AMS, and other standards.Copper centrifugal castings from DURABLE cover the full range of copper alloys including high thermal and electrical conductive pure coppers and chrome copper alloys, through high strength aluminum and manganese bronzes, to traditional leaded bearing bronze castings and nickel silver castings.