Our product spiral steel pipe is strictly tested in all process from contract signing, raw material purchasing, producing, and inspection and after sale service, and we passed through ISO9001 Quality System Certification in 2003, passed the API value="5" tcsc="0" unitname="l" w:st="on">5L Qualification of American Petroleum Institute in 2008. Our goods pass the third party inspection such as LIOYDS, SGS, BV etc. Our Spiral pipe has export to so many countries such as USA, Algeria, Angola, Canada, Iran, UAE, South Africa, Korea, Indonesia etc. We ensure to supply good product and service for all our customer.
Spiral welded steel pipe: OD:219mm to 3120mm, wall thickness: 3mm to 25mm
If you have any interested products please feel free to contact me
My email address:chloe(at)hnssd(dot)com
SSAW