... &density 3.High precision 4.Oem offered 5.Good Sintered parts Nantong Runfeng Powder Metallurgy Co., Ltd. is specializing ... in powder metallurgy,oil bearings,structural parts,gears(sprockets) and different parts used in automobile and motorcycle.our company ... bearing, bushing, bush,pulley,timing pulley,structural parts,powder metallurgy parts,nut,auto parts,sintered parts,rotor and stator etc.