... die Material:Diamond Cavity: For drawing mold,copper wire,aluminum wir Precision MOULD CORE and cavity insert manufacturing 1.OEM design&Machining ... .Scope of application: the drawing of drawing mold, copper wire, Alu wire, steel wire, and all the metal drawing.2.Characteristics of using ... Box packing first, and then into wood packing Precision MOULD CORE and cavity insert manufacturing