... .competitive pri Metal Processing Machinery Parts We are proffesional manufacturer and exporter for different kinds of metalparts. We are ... copper, steel, aluminum alloy, zinc alloy,etcDifferent kinds of finish available, like polishing, zinc plating, nickelplating or ... copper, steel, aluminum alloy, zinc alloy,etcDifferent kinds of finish available, like polishing, zinc plating, nickelplating or ...