... rodMaterialStainless steel, Carbon Steel, Aluminum alloy, Zinc alloy, copper, brass, titanium etc.Machining methodTurning ... , threading, stampling, punching etc..Surface finishPolishing, and Chrome plating, zinc plating, blackening, Nickel plating, Electrophoresis, AnodizationColorMetal ... M56)Coating: Nature, Zinc plating, blackening, hot dip zinc, environment-friendly zinc platingWe specialize in all ...