- Bi-Directional Pig
- 2016-11-05 16:16
- The tool configuration is made up of 2 support discs and 4 seal discs separated by spacer discs mounted on a metallic fa
- seamless line pipe
- 2016-10-26 09:48
- 1.cold drawn seamless pipe:astm a106 grade b2.hot rolled seamless pipe:astm a106 grade bastm a333 grade 6astm a335 p5, p