... .Good abrasion resistance&hardness&density 3.High precision 4.Oem offered 5.Hydraulic pump parts Nantong Runfeng Powder Metallurgy Co., Ltd. is ... we supply components to Korea, America and japan. Ourproducts are well known at home and abroad with a good reputation. powder ... --vacuum oiling--packing3.material:steel,copper,steel copper,bronze,alloy.4.produce equipment:200T,100T,60T,25T,15T,10T,6T,3T ...