... manufacturer and exporter in carbon steel pipe fittings, we can produce various kind of product such as, flange WN,SOP,SOH,PL ... (L/R,S/R,45/90/180 degree), etc. in carbon steel ,alloy steel, stainless steel and steel pipe(seamless pipe ... pipe, butt welded pipe, galvanized pipe).Our pipe fittings by ASTM,ANSI.JIS,DIN,EN,GB,SY,DL,ISO standards or ...