... motor parts Nantong Runfeng Powder Metallurgy Co., Ltd. is specializing in powder metallurgy,oil bearings,structural parts,gears(sprockets) and different parts used ... .8.The products we produce are widely used in automobile,motorcycle and many other field. ... , bush,pulley,timing pulley,structural parts,powder metallurgy parts,micro motor parts,motor engine parts,nut,auto parts,rotor and stator etc.