... and about 20 professionals.our products spread out all over the the country, and we supply components to Korea, America and ... japan. Our products are well known at home and abroad with a good reputation. powder metallurgy products 1.Nantong Runfeng ... spur gear,bevel gear,helical gear,bronze bearing,copper sleeve,oil impregnated,bushing,bush bearing,pulley,timing pulley,structural parts,powder ...