Description

we are the manufactuerer of spiral welded steel pipe in Tianjin, China. We can produce as customers' required specification. And our product is up to the standard of API5L, API 5CT of American Petroleum Institute, the standard of ASTM A**2, ASTM A*3, and ASTM A**0 of American Society Testing and Materials and standard of EN ****7 and EN****9 of the European Union and it is granted the certificate of national standard of GB/T***1.1, GB/T***1.2 of the People’s Republic of China and passes the International quality management system of ISO********8.
Anyone needs the material, pls feel free to contact us.