Hefei Zijin Steel Tube Manufacturing Co., Ltd. was established in 2004. We specialize in developing and manufacturing large-diameter thick-wall straight-seam Longitudinally Submerged Arc Welded (LSAW) tubes. We are a member of China Steel Construction Society and Shanghai Metal Construction Industry Society. We are also a member of the important construction item unit of "861 Plan" of Anhui Province and "1346 Project" of Hefei City.

Our company is located in the Baohe Industrial Area of Hefei City, covering a land area of 220,000 square meters. Our total plan investment is RMB400 million and our annual plan output will be 200,000 metric tons of LSAW tubes. Our annual output value will reach RMB1,500 million. Our LSAW tube production line is the one of the most advanced equipment in China at present.

We devote ourselves to the research, development, and selling of heavy steel-structure building tubes. Our products include steel-structure building tubes (concrete filled steel tubular structures, tube piles, and tubes used in joist frame structures), tubes for fluid body transporting, as well as tubes for machinery roller-making. The scopes of our LSAW tubes include wall-thickness of 10-120mm, out-diameter of 400-3,200mm, and length of 3,000-12,000mm. The material is Q235-Q420 or X52-X80.

We have Enterprise Management Department, Administrative Department, Human Resource Department, Financial Department, Sales Department, Supplying Department, Technical and Quality-Control Department, Equipment Department and Manufacturing Workshop. There are 186 staff members in our company, among whom more than 80 percent have obtained the bachelor's degree or polytechnics and other special or technical secondary schools' degrees. We have nearly 100 professional technicians. Nowadays, we have the annual capacity of 50,000MT of LSAW tubes, which is in the first rank of the same business in China.

Our company is strictly carrying forward the "Product Quality Law", "Measure Law" and "Standard Law". We are also in compliance with the Quality Management System of ISO9001-2000 Standard during manufacturing and carrying out the line standard by the relevant department. Our products are manufactured strictly according to the international standards.

We abide by the quality principle of "scientific management, customer first, advanced quality and excellent request". We are endeavoring to become the biggest heavy steel structure tube-making enterprise in China through strong capital, powerful technical ability and advanced management model.