... :zinc alloy 3)Available in different color 4)OEM welcomed New fashion Laser rhinestone ringavailable in different color.Lead and nickel free ... ring production:1)Material:We main produce the material:alloy,silver,copper,resin,natural stone,conch material for base or for ... cadmium;3)Plating color:gold,imitation gold,silver,rhodium,black nickel,anti-nickel,anti silver,platinum,rose gold,brass and so on ...