... 5 MOQ:500 pieces SpecificationAccording to your requirement.MaterialStainless steel, copper, brass, carbon steel, aluminum (according to customer's requirement.Surface ... TreatmentZn-plating, Ni-plating, Cr-plating, Tin-plating, copper-plating, the wreath oxygen resin spraying, the heat disposing, hot ... our website: http://gdsx.en.alibaba.com brass fitting and connection