Hebei Sanlin Pipe Industrial Co.,Ltd is a professional manufacturer about elbow ,reducer,Tee,flange.Seamless pipe fittings from 1/2" to 24",and the welded pipe fittings from 12" to 60",and the flange(WN,SO,PL,BL) from DN10 to DN3000.All products acc.to ASME,ANSI,DIN,JIS,BS,GB,HG,and so on.