Cangzhou Qiancheng Steel-Pipe co.,Ltd and  professionally produce seamless steel pipes and ERW steel pipes. All our products are under the standards of GB8162-1999, GB8163-1999, API 5L/5CT, ASTM A106/A53, GB/T3087 etc. The material of the pipes includes A106 GR.B/A53 B, 20#, Q235B, Q345B, X42--X70. Our products are widely used in the fields of oil service, gas service, heat and water transportation, as well as in electric power, chemistry industry, water conservancy and mechanism. We promise that we will provide you the best products with the most competitive price and service as a manufacturer and retailers.