zhejiang guobang steel co.,ltd

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, certificate by China Quality Certification Center, IQNET, ISO9001 certificates by 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 eight international classification societies. They are CCS, DNV, BV, KR, NK, ABS, GL, and LR.