... / heatsinksDongguan Shenghong Metal Products Co., Ltd. is a professional manufacturer of aluminum die cast enclosure s and ... drawings or samplesSurface treatmentSandblasting, Painting, Powder coating, Anodizing, Galvanized, Chrome plating, Nickel plating, etc. ... electroplating, chrome-plating, nickel-plating, sandblasting, painting, anodizing, powder coatingn etc.6.Inspection and packing Application ...