... products are elbows, tees, bends, reducers, caps, flanges and sockets. We have been in this line for about 20 years ... APPLICATIONChemical industry, petroleum industry, construction industry, domestic installation and otherSURFACE TREATMENTShot blasted, rust-proof black oilRADIUS OF CURVATURE1D ... -9001:2000,API5L,,CCSWe have biggest pipe fittings and steel pipes production equipment in china,all of ...