... machining -Various finish treatment -Waterproof credit card machineBasic information of this aluminum casting credit card machine : Die casting machine: ... , polishing + grinding , UV.l Superior quality and wide application of material: ADC12,ADC10,A380,A360,A356,A413,6063,6061 ... partsStamping partsProduct design & PrototypeMachining & Surface finish treatment Credit card machine aluminum die casting