... : C26130, C26000, C26200,C27000, C27200, C28000 and other copper-alloy tubes are widely used in sanitary war Seamless condenser and heat-exchangers tube ... : C26130, C26000, C26200,C27000, C27200, C28000 and other copper-alloy tubes are widely used in sanitary ware, antenna, decoration, stationery, cooper standard component ...