Tunnel seamless steel pipe is a special steel pipe mainly used in tunnel projects. It has many advantages, including high strength, corrosion resistance, and reliability.

Seamless steel pipes have excellent corrosion resistance, high strength and reliability. Seamless steel pipes have been widely used in the field of water supply and drainage.

Precision seamless pipe is a high-precision steel pipe material that has been processed by cold drawing or hot rolling.

High-pressure seamless pipe is a steel pipe with high strength, high temperature resistance and strong pressure resistance.

galvanized steel pipes and galvanized seamless steel pipes are different in terms of production process, performance characteristics, scope of use, price, etc. When we choose to use them, we need to choose the most suitable material according to our own needs.

ERW pipes are produced from hot-rolled or cold-rolled flat coils.Drawn Over Mandrel (DOM) tubes are produced from fully annealed ERW pipes through a cold drawing process.