The standards we adopted include API 5L, API 5CT, ASTM A 53, ASTM A106 and GB/T9711, GB/T3091, GB/T8163 etc.

The steel grades include Q235, Q345, 10#,20#, 45#, J55, K55, N80, L80, P110, B, X42, X46, X52, X56, X70, X80.

The annual production capacity is more 500,000.00 tons.