The company has four sets of production lines now with its advanced and completed equipments of production and inspection. The product is double-faced submerged-arc welded pipes. Now the diameter of our product is from 219 to 3120mm and wall thickness is from 5mm to 25mm.Our product can comply with the standard of SY/T5037-2000, GB/T9711.1-1997 and API SPEC 5L, the material can be Q235AB, and X42-X70 grade plate. We also can produce the steel pipes with special specification so as to meet the demand of the customer. Our product gains the certificate of China Ten Famous Brand and China Ten Excellent Product and are widely used in the long-distance transmitting pipelines of natural gas, petroleum, chemical industry, power, heat power and water source etc