... upon the ISO9001 strictly Size SMLS Tees 1/2"-18" Welded Tees 1/2"-50".Kind Equal Tees,Reducing Tees.Pressure Rating Sch5S - Sch160.Standard ... the client's request.Alloy steel teetype-elbows,pipe bends,tees,reducers,pipe caps. material-alloy steel(A234WP11,WP22 ,WP12,WP5 ... /c at sight)we have the advanced equipment of pipe fitting production, all of the fittings are produced by ourselves, so ...