... Steel, Aluminum,Brass, Plastic and Bakelite2) Equipment:Milling machine, hobbing machine, drilling & milling machine, Lathe,horizontal lathe, beam drilling machine, shaping machine, abrader, horizontal ... grinding, surface grinding, digital wire cutting,threading machine, sawing machine, CNC lathe,3) Surface Finish:Zinc/nickel/chrome plating, hot galvanized, painting ...