Haihao Group is a piping supplier in China,our products contain butt welded pipe fittings,forged pipe fittings,forged flanges,steel pipes according to international standards,such as ANSI/ASME B16.5,B16.9,B16.11,EN 1092,EN 10253,DIN,GOST,BS,JIS,etc.
Haihao Group is a piping supplier in China,our products contain butt welded pipe fittings,forged pipe fittings,forged flanges,steel pipes according to international standards,such as ANSI/ASME B16.5,B16.9,B16.11,EN 1092,EN 10253,DIN,GOST,BS,JIS,etc.