Our enterprise since its inception, often regards solution excellent as enterprise life, continually strengthen output technology, enhance product high quality and continually strengthen organization total high-quality administration, in strict accordance using the national standard ISO 9001:2000 for Q235b Erw Black Round Steel Welded Pipe, Galvanized Rectangular Steel Pipe , Api 5l Line Pipes , Ssaw Spiral Welded Steel Pipe ,Large Diameter Seamless Carbon Steel Pipe . Our Lab now is "National Lab of diesel engine turbo technology " , and we own a professional R&D team and complete testing facility. The product will supply to all over the world, such as Europe, America, Australia,Sydney , Netherlands ,Adelaide , Norwegian .Our company regards "reasonable prices, efficient production time and good after-sales service" as our tenet. We hope to cooperate with more customers for mutual development and benefits. We welcome potential buyers to contact us.