... requirement.MaterialAluminum, copper, iron, stainless steel, aluminum alloy, PD,APET, PVC, Plastic, hot/cold rolled steel plate /steel belt etc.Surface ... copper-plating, the wreath oxygen resin spraying, the heat disposing, hot-dip galvanizing, black oxide coating, painting, powdering, color zinc- ... our website: http://gdsx.en.alibaba.com Brass/SUS/Aluminum union and pipe and bushing in guangdong