1.steel pipe flange,ansi flange,tube flange for pipe joint 2.1/2'' to 60'' 3.high quality 4.T/T,L/C 5.API,CE,ISO ... can supply IBR fittings and Specialized NACE & HIC Fittings. l FLANGES FLANGESProduction NameSlip-on welding flange;welding nece flange;socket welding ... , JIS, DIN, BS,GB, SH, HG,QOST,ETC. ASME B16.11ISO9001:2000 , API , BV , SGS, LOIYDApplications range: Petroleum, chemical, power, ...