... ,IGS,Pro-E 3)Surface finish: shotblasting,polishin Specifications:1)Material:steel,aluminumm,brass,copper,2)Surface treatment:zinc plating3)usage ... machine center:48 setsNormal lathe machine:2setsTurning&Drilling machine:20sets2) material: can be steel, brass, stainless steel, Aluminium…3) surface treatment ... send your requests by email or fax. Chongqing aluminum alloy adc12 die casting part