Jiangsu Tongyu Steel Pipe Group Co., Ltd. (Former Yangzhou Steel Pipe Works) was established in 1990. It is a large and new-style steel pipe manufacturer in East-China. It occupies a land area of 1300 Mu (86, 668 square meters) and holds the total assets of nearly 500 million RMB and owns joint ventures: Sino-Canada joint venture Yangzhou Yalian Steel Pipe Co., Ltd., and Sino-Japanese joint venture Yangzhou Tongya Steel Pipe Co., Ltd. Main products include SAWH steel pipes, SAWL steel pipes, insulation pipes, stainless welded pipes, 3LPE coating steel pipes, pressure vessels, U-shaped steel brackets, structural steel pipes for offshore platforms and steel structure products. It has an annual capacity of 500, 000 tons. The products are widely used in transmission of oil and natural gas, water and heat supply in cities, construction of ports and docks and bridges, large steel structure, chemical equipments and other national projects.

The company has got Manufacture License of GB/T9711.2, Certificate of Authority to use the Official American Petroleum Institute (API 5L) Monogram, Manufacture License of Special Equipment (A2 pressure vessel), Manufacture License of Special Equipment (pressure pipeline), Measuring & assuring Certificate and ISO9001: 2000 quality system assurance certificate. The company has been awarded the titles of "Contract-abiding & Credit-standing Enterprise in China", "Contract-abiding & Contract-standing Enterprise Graded Class AAA in Jiangsu Province", "Civilized Unit in Jiangsu Province" and "High and New Technology Enterprise in Jiangsu". Our spiral seam SAW steel pipe has been certified as "Famous-brand Product in Jiangsu", and our double-side spiral submerged-arc welded steel pipe used for oil and gas transmission has been considered as "High-Tech Product in Jiangsu", and our trade mark "Yalian" has been recognized as " Famous Brand in Jiangsu Province".

Along with the development of the market and the corporation itself, the company has become the first class supplier of our national extra large enterprises such as CNPC, SINOPEC, CNOOC, Towngas, China Resources Gas, Petrochina Kunlun Gas and China Gas Holding. These years our company has participated national and overseas projects

Such as West to East Natural Gas Transmission Pipeline, Natural Gas  Transmission Project from Sichuan to the East, Yi-Chang oil Transmission Pipeline, Trans-Asia Gas Pipeline Project and Ri-yi Oil Transmission Pipeline, and seaports, docks and large bridge piling construction, and the urban medium and high pressure pipeline network construction engineering, etc. The company has a perfect distribution network all over the countries' More than 20 provinces, cities and municipalities, and our products have been also exported directly to areas such as Southeast Asia, Middle East, America and Africa.