... &D staffs for 3D drawing and mould die cast part1. Materials:stainless steel,cast iron,carbon steel,aluminum and zinc alloy2 Surface ... . Further machining works: precise CNC machining or turning, cutting, milling, grinding, drilling, reaming and threading5. Categories: pipe fitting, building hardware, construction ... from Automobile,Electronic,Industrial,Household,Medical,Sport,Office etc die cast part