Jiashan Caoshi Oilless Bearing Factory is an enterprise specialized in manufacturing oilless self-lubricating bearing. The mainly products: SF-1 (DU) self-lubricating bush, SF-2 (DX) boundary lubricating bush, JF-800 bimetal bearing, FB090&FB092 wrapped bronze bearing, FZ steel ball retainers, JDB (500#) solid-lub...