... are profession manufacturer and exporter in carbon steel pipe fittings, we can produce various kind of product such ... steel and steel pipe(seamless pipe, ERW pipe, butt welded pipe, galvanized pipe).Our pipe fittings by ASTM,ANSI.JIS,DIN,EN,GB,SY,DL ... /2"--96"wall thicknesssch20-sch160standardDIN,JIS,ANSI,BS,GBmaterialcarbon steel:ANSI A105,Q235,16Mnconnectionbutt-weldingqualityISO9001-2008,KS, ...