... control machine,centerless grinder;2) Material: Q1953) Surface treatment: kinds of plating(Zinc,Chrome,Tin...),Powder, ... duplex nail, finishing nail, roofing nail with umbrella head, roofing nail with flat head, boat nail, coil common nail and ... according to German Standard, American Standard, British Standard, with surface treatments as customer's requirement, including galvanization(Blue Zinc ...