1)Zinc Alloy Metal Bottle Cap. 2)Zinc alloy die casting technology. 3)Size: 64.00x57.00mm. 1) Zinc Alloy Metal Bottle Cap.2) Zinc alloy die casting technology.3) Size: 64.00x57.00mm.4) Nickle, chrome, bronze, gold ...plating available.5) Custom-made model is ok.6) Professional die casting machines.7) Packing: poly bag or box.8) Trade Term: FOB SHENZHEN Port.9) ISO9001:2000 Quanlity Management ...