Zhejiang Guobang Steel Co., Ltd, is a manufacturer specialized in producing stainless steel pipe for many years. The annual output is over ten thousand tons. The products have a good market at home and abroad, and have been sold far to countries and areas such as West Europe, North America, South America,Middle East,Southeast Asia etc.

Guobang Steel has been accredited with many authority certificates, such as the TS-A, B leveled permits of Production License for Special Equipment in China, ISO9001 certificates by Lloyds, China Quality Certification Center, IQNET, China Classification Society (CCS), the AD2000-W0 authentication of materials for pressure equipments by TUV, PED/97/23/EC authentication of materials for pressure equipments in EU, Russian GOST Certificate. In addition, with years experience of producing marine steel pipes, Guobang Steel has been accredited by classification society of CCS,DNV,BV, KR, NK, ABS, GL, and LR.

Conforming to the following standards ASTMA213,ASTMA312,ASTM A269,ASTMA511,ASTM A789,ASTM A790,GOST 9941,GOST 9940,JISG3459, JIS3463,DIN17456, DIN17458,etc., our steel grades include 304 ,304L, 304H,304N,316L,316Lmod , 316Ti,317L,310S,321,321H,347H,S31803,S32750,347,330,825,904L,GH800,GH3030,NI99.9,314,NS312,1.4301,1.4404,1.4306,1.4541,1.4571,1.4563,1.4462,,Nickel 200,Monel400,Inconel 600, Incoloy800 with outside diameter from 6 to 630mm and wall thickness from 1 to 40mm. Moreover, for customers' selection, products of various standards can be made to meet customers'requirements.

High precision production, strict production process, high quality products, we can produce seamless pipes for nuclear power station or under each countries' classification society requirement.

Middle East
Russia
Europe
Australia
U.S.A
South Africa
South America

ISO 9001-2008 from 2009 to 2011
PED97/23/EC and AD 2000-Merkblatt W0 from 2008 to 2011
GOST for pipe from 2007 to 2010
GOST for pipe fittings from 2010 to 2013
BV certificates from 2008 to 2012

Shanghai sale Branch
Wenzhou Sales headquart