USI Group was established in 1989, our headquarter in Singapore which have in steel field for about 30 years, as a most professional manufacturer and exporter in China, we have invested 6 factories for producing the SMLS / SSAW / LSAW / ERW pipe and all kinds of pipe fittings.
All our products was exported to worldwide over 26 countries, and can meet the standard requested by the international and domestic institutions, such as: API, ISO 9001, DNV, BV, SGS and CIQ.
For further information, please contact me! alice(at)united-steel(dot)com
- steel pipe, carbon stainless steel, pipe & fittings, seamless and welded pipe