... Maching Finish:Polish Superior quality&punctual delive Aluminum Sand Casting Adopting advanced technology of investment casting and ... We can also acceptcustomers' drawings and samples for processing. Sand Casting1)Material: Aluminum alloy(A356, A380, A360, ADC12, ... Zinc alloy.2)Surface treatments: Shot blasting, impact cleaning, powder coating, painting, oxidation, Zinc plating, nickel plating, chrome ...