... with PTFE and Pb mixture as surface layer. It is of low friction coefficient, anti-wear,anti-corrosion and low ... and light. DU is widely applied in various sliding articles of different kind of machines such as textile machines, tobacco machines,hydraulic vehicles, ... limited co.,ltdPRODUCT:specialized in manufacturing all kinds and sizes of bushings,HISTORY:nearly 20 years,CERTIFICATE:In the year ...