The precision seamless steel pipes produced by our company are of high quality and lower price than others. The feature of our precision seamless steel pipeItems SpecificationsStandardGBDINASTMGB/T8162-1999 GB/T8163-1999 GB/T8163 GB/T8162 GB/T3087 GB/T5310 GB/T3639-2000DIN2391 DIN1629/4 DIN1626 DIN1629/3 DIN17175 DIN EN10305ASTMA106-2006 ASTMA179-1999 Material10#, 20#, 45#, 16Mn, 30CrMo, Q345, ...