... Promotional Key Ring 1, Our proud, we got UL&ISO certification. 2, Many designs valid 3, OEM acceptable Promotional Metal Key Ring1, Material ... : Zinc Alloy2, Electro-plating nickel3, Processing: Die-casting Metal Key Ring OptionKey Ring Processingdie casting,polishing,plating, printing,packageKey ... , old coppeMOQNo MOQMany designs available,custom design welcome. Promotional Metal Key Ring