... zinc alloy. 2) Surface Treatment: chrome plating, sandblasting, painting , anodizing, powder coating, electrophoresis. 3) Suitable for various industries: auto, machine, valve, pneumatic ... cooperation for mutual benefits. Sale focus:1:Low price.2:Size as customer required.3:Made of high grade Aluminum4 ... is any question on our production Aluminum die casting coffe maker/machine parts/espresso coffee ...