Zinc Alloy Brooch with Swarovski Crystal features, variety in styles,colors,sizes,shapes alloy,silver,stainless steel OEM&ODM Zinc Alloy Brooch with Swarovski Crystal Description1. stone materials available, Swarovski Crystal, rhinestone, cz stone, etc.2. brooch materials available, alloy, silver, gold, stainless steel, etc3. surface treatment, electroplated, plated with gold,silver,rhodium, ...