... ,furniture bed bracket hardware,table metal corner brackets OEM servce hole perforated /punching metal sheet 1. iso9001-20002.manufacturer 3.thickness 2mm 4 ... steel, brass, copper, aluminum, iron(SGCC,SPCC,SECC),etc.3.Surface treatment: kinds of plating (Zinc, Nikel, Chrome, Tin, Ag); Painting, Powder ...