All metals: gold, silver, titanium, copper, alloy, aluminum, steel, manganese steel, magnesium, zinc, stainless steel, carbon steel / mild steel, all kinds of alloy steel, electrolytic plate, brass plate, galvanized sheet , Aluminum, all kinds of alloy plates, all kinds of sheet metal, rare metals, coated metal, anodized aluminum and other special surface treatment, electroplating the surface of the aluminum-magnesium alloy surface oxygen decomposition