we are specialized in all kind of oilless bearings .the mainly production are SF-1(DU) oil-free bush , SF-2 (DX) boundary lubricating bush , JF-800 bimetals coiled bearings , F2 steel ball retainers , JDB (500#) solid lubricating bearings , FD PTFE straps , FR PTFE soft strapped bearings , FB090 bronze bearings ,AND SLIDING BEARING ,AND SO ON .