It specializes in various kinds oilless bearing in Zhejiang Jiashan hongda composite bearing co.,ld. The company is located in the economic development zone of hongxi Jiashan Zhejiang China, very convenient. 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.