API 5l, ASTM, Q235, Q345, x42-x80, J55, L245-L360.

Our company has five SSAW manufacturing lines, which was imported from United States. The annual output reaches 250000 tons; The outside diameter is 219mm-3020mm, the thickness is 6mm-25.4mm, the steel grade is x70. Our products have been widely used in many industries, such as Petroleum Projects, Coal Gas Projects, Natural Gas, Water Supply and Thermal Power Generation. Meantime, we have attained ISO9001: 2000 International Quality Management System certification, API 5L Certification, GB/T9711.1-1997 and SY/T5037-2000 and so on.