Spiral shaped, double-submerged arc welding pipe production line (spiral welding pipe mill) is the company's most important products. After many years of exploration and constantly improve, and Spiral welding pipe technology equipment and technical level is already in a leading position in the country, steel pipe manufacturing enterprises is the most reliable, loyal partners and friends. In the recent we signed a leading domestic high-grade X80 to the Φ 406mm ~ Φ 1422mm double spiral submerged arc welding pipe mill with YangZhou TongYa pipe limited liability company.
