1)cnc machining parts/ precision machining parts/cnc 2)high precision 3)quality be assured 4)competitive ... )Material: iron, carbon steel, stainless steel, brass, copper, alloy steel, aluminum, cold rolled steel3)Surface treatment: kinds of plating (Zinc, Nikel ... , E-coating, Silkscreen, Heat treatment, Black oxid cnc machining stamping stamped punched parts