... ) Materials:Carbon steel, Bearing steel, stainless steel,Tungsten Steel, Aluminum,Brass, Plastic and Bakelite2)Equipment:Milling machine, hobbing machine, drilling & milling machine ... .05mmMaterialsstainless steel,alloy steel,aluminum,copper. etcSurface treatmentgalcanizationanodizingsand blastingdull polishPHOSPHATIZINGPOM and otherspackingPoly bags, bubble pack, blister card, vacuum forming, paper ...