... 3.High precision 4.Oem offered 5.Sintered bronze bushing Nantong Runfeng Powder Metallurgy Co., Ltd. is ... vacuum oiling--packing3.material:steel,copper,steel copper,bronze,alloy.4.produce equipment:200T,100T,60T, ... gear,helical gear,sleeve,copper sleeve,sleeve bearing, bushing, bush,pulley,timing pulley,structural parts,powder ... oil impregnated bearing,blender bush,sintered bronze bushing etc.