... 4) stamping products; 5)precision turning pieces; 6)precision plastic parts. Description of product : item name precision mechanical parts ... partsmaterial copper ,aluminum ,stainless steel ,urethane,bakelite,nylon,plastic, tungsten steel,iron, hard metal,steel alloy and various ... .Edges & holes deburred,surfaces free of scratches.4.Assembly part completely according to your drawings or sample5.The most ...