As we all know, Q345D seamless steel pipes are relatively easy to appear some problems in the production process. Katalor is a professional Q345D seamless steel

Katalor is aim to export all kinds of steel materials production in China. Q345B welded steel pipe is our mainly product. So we have a large of Q345B welded ste

20# steel pipe is more and more popular with the demand of 20# steel pipe increase. Katalor has the good 20# steel pipe with different size. And we usually expo

In the construction investment, the A106M Gr.B steel pipe can take up approximately 30-40 %, from which we can see that the investment in the A106M Gr.B steel p