Zhejiang Guobang Steel Co.,Ltd

Zhejiang Guobang Steel Co., Ltd, is a manufacturer specialized in producing and exporting stainless steel pipe nearly 8 years. The month output is around 450 tons. The products have a good market at home and abroad, and our client mainly located in West Europe, North America, South America,Middle East,Southeast Asia etc.

Guobang Steel has been accredited with many authority certificates, such as ISO9001 certificates by Lloyds,IQNET, PED97/23/EC and the AD2000W0 by TUV, 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 ASTM,ASME,JIS,EN,DIN,GOST etc., our steel grades include 300 series,904L,254SMO,310Lmod,Duplex/Super duplex series,Incoloy series,Monel series,Inconel series.hastelloy series.etc. with outside diameter from 6 to 630mm and wall thickness from 1 to 40mm.

The Company has established a perfet testing system. By utilizing advanced inspection devices, and physical and chemical analyzers, such as the DirectReading Spectrograph from Germany, PMI from USA, fully automatic UT flaw detector unit, fully automatic ET flaw detector unit, hydraulic tester unit, universal material testing machines, 196 C/normal temperature impact testers, highpower metaloscope, intercrystalline corrosion devices, ultrasonic thickness gauge, pipe borescope. The Company has always been inspecting and monitoring the quality through process at control points and conducting strict inspections at every step, resulting to its hig-quality products in line with world standards.


Based on sincerity and mutual benefits, we expect to create value and profits for customers.