... paintingMaterials: Pewter and Zinc-AlloyDongguan Katianni Jewelry Limited CompanyImpression Silver Jewelry FactoryProcedures: Clawed or glued stone - crystals and ... , or vacuum platingMaterials: The electroplating process of hardware - silver, copper, zinc alloy, iron, etc.PRODUCTION LINE SPECIFICATION ... Ocean, or as customers’ request 925 sterling silver earrings Round 925 Sterling Silver Earrings