... produce vehicle chassis,include bi-metal bushing,oilless bearing,SF-1 bushing,SF-2 bushing,washer and so on. We are one of ... in China,include bi-metal bushing,oilless bearing,SF-1 bushing,SF-2 bushing,thrust washer,bronze bushing,brass bushing and so on. 1.High ... bonding strengh,load capacity and wear resistance. ...