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. Our company designs, manufactures spiral welding pipe mill products have became diversified, and serialization. From the forming process is divided into: External control molding and internal control molding in two ways. Unit production process is: Looper Hang Chu-welding materials or Flying welding tractor continuously producted the backward swing type machine unit and the forward swing type short machine unit. The production of steel pipe diameter range from Φ 219mm to Φ 2800mm between the size of any specifications. Products to satisfy API-5L, GB9711.1, GB9711.2 standards.
