Rongchang Bearing CO.,yTD. is specializes in various kinds oilless bearing. Various kinds without oil bearing annual output have been produced more than 20 million sets. mainly produces: SF-1(DU) oil-free bush, SF-2(DX) boundary lubricating bush, JF-800 bimetals coiled bearings, FZ steel ball retainers, JDB(500#) solid lubricating bearings, FD PTFE straps, FR PTFE soft strapped bearings, FB090 bronze bearings and sliding bearings, needle roller bearing, PTFE bushings.