... Jul 30, 2012 To Feb 24, 2013Basic Info Model NO.: Surface Preparation: PolishingMaterial: Aluminum AlloyFunction: Export Markets: GlobalAdditional Info Trademark: SH (OEM ... alloy, magnesium ally or Zinc alloy )4. Precision machining 5. Surface treatment: deburring, polishing, electroplating, chrome-plating, nickel-plating, sandblasting, painting ...