1,aluminum stamping 2,Material: aluminum 3,good price and quality 4,ISO,MTC 1, Accuracy: according to the dimension tolerance of machining of customers’ requirement.2, Surface roughness: Ra 0.8-3.23, Weight: ranging from 0.50g to 10,000kg4,Surface finish: polishing, oiled(rust-prevented), zinc-plated, chrome-plated, hot-galvanized, sandblasting, painting, powder-coasting.