... density 2.good abrasion resistance&hardness 3.high precision 4.good strength 5.professional micro motor parts Nantong Runfeng Powder Metallurgy Co ... 200T,100T,60T,25T,15T,10T,6T,3T.5.high precision,100%quality with competitive price,good abrasion resistance,high ... bushing, bush,pulley,timing pulley,structural parts,powder metallurgy parts,micro motor parts,motor engine parts,nut,auto parts,rotor and ...