Tianjin Quantong Steel Pipe Co., Ltd is located at 6km south of Daqiuzhuang, in the Anjiazhuang development zone, Xizhaizhuang Town, Jinghai County, Tianjin City. It covers an area of 100 acres. It is situated in the seashore of Bohai Sea. It has convenient transportation and advanced telecommunications. The company has fixed assets of 40 million Yuan and liquid capital of 60 million Yuan. Now it has 330 staff members, including more than 20 senior engineers with several decades of pipe-making experience and more than 30 technicians. We specilize in producing Double-side submerged-arc spiral welded steel pipe. We have four looping domestic first-rate production lines. Annual output of spiral steel pipe with diameter of 219_2820mm and wall thickness of 5_22mm is 120, 000 tons. We have a 219 straight slit machine unit with annual production of more than 100, 000 tons. The company has passed the certification of ISO9001-2000 Quality System. At the same time, we got the "Petroleum and Natural Gas Industry Welded Steel Pipe-National Industrial Products Production License" issued by State General Adiministration of Quality Inspection, passed the auditing and acceptance of American API Company, and got API5L, PSL1, PSL2 certificates. We organize production according to GB/T9711.1-1997 Standard and SY/T5037-2000 Standard strictly.

We set up independent laboratory. We have advanced key equipments for quality test, such as X-ray real-time imaging System. Magnetic defect detector, digital ultrosonic defect detector, Lincoln welded machine and hydrostatic pressure tester. We have a professional team with senor engineers ans technicians and high quality skilled operators. We have capability for manufacturing high quality spiral steel pipes.

The products are mainly used in liquid long-diatance delivery pipeline, such as petroleum, natural gas, gas, water and steam and engineering assembly for heat supply, chemical industry, refrigeration, wall bushing and pile driving. Since the establishment, we have good prestige in the market of home and abroad and get acclaim from customers by high quality products and good after-sale service. We welcome all customers' cooperation and we will serve you with honesty!