... fitting2)Major Products:Seamless pipes, Elbow, Reducer, Tee, Cross, Pipe Cap, etc.3) Varieties: STD, SCH40, SCH80, SCH1604) Standard: ANSI B16 ... design available All the production process are made according to ISO9001:2008 strictly.Contact: Bellaphone: 86-15716869598skype:bella201324 http://www.alibaba.com/Elbow