GSS, a professional producer with years of history on producing nickel base/ss steel products. GSS has been accredited with many authority certificates, such as ISO9001 certificates by Lloyds, the AD2000-W0,PED/97/23/EC in EU, RTN/GOST in Russion. We can provide the high quality product of pipe,pipe fittings, flanges, round steel,etc.
Website:http://www.guobangsteel.com/