products as JDB,SF,FB FR,FZ,JF,FU,LM,PTFE our company manufacture of products as SF-1 self lubricating bearings (DU) , SF-2 border lubricated bearings(DX) ,JDB inlaid solid lubricating bushings,JFdouble-metal bushes,FB090 bronze bearings,FZ LM ball lubricating bushings,FR PTFE strip,dry bearings,FU sintered bearings with oil and PTFE etc ., oilless bearing