Material:plastic, stainless steel, aluminium, brass Method:cnc machining Surface treatment:smooth, sandblasting, anodizing, Electroplating, zinc plating are okay. Tolerance:+ - 0.01 mm Equipment:cnc machining center, cnc lathe, cnc turning, milling Moq:1 piece Iso9001:2008 certificated, sgs, rohs 1, with plastic bag, with pearl-cotton package. 2, to be packed in cartons. 3, use glues tape to seal cartons. 4, deliver out by dhl, fedex. Or according to customers' requirement.