... :ISO9001 3.Standard export packing 4.Beveled end+100% testing Conduit elbowComparative Advantages:1, Wear resistance, servicing for more than 10 ... years.2, Smooth inwall, unblocking power, small running resistance.3, Corrosion resistance, anti-scaling.4, Good heat ... , chemical, power, gas, industrial, shipping building, construction and so on Conduit elbow