Updated certificate of approval on steel pipe

It is our duty to make sure the high quality of each kind of steel pipe from seamless steel pipe to welded steel pipe like ERW steel pipe. So we’ve updated the new certificate of approval on steel pipe once we found that the old one has exceeded the time limit.

From the picture below, we can see that we’ve gained the scale for steel pipe from the certain scale. It is said that Threeway Steel Co.,Ltd has been assessed and found to be in accordance with the requirements of the standard GB/T19001-2016 / ISO9001:2015. Under this situation, GB/T 9711 LSAW steel pipe and GB/T 3091 LSAW Steel Pipe and other relative steel products would have guarantee for customers once you see the certificate.

You can contact us for more details for certificate of steel pipe we have.