- What is elbow and bend?七 16, 2018
- The difference between pipe bend and elbow七 16, 2018
- BV test butt weld fittings and flanges in Haihao Group七 16, 2018
- Packing type of flange,pipe fitting and steel pipe七 16, 2018
- ASME B16.9 ASTM A403 WP316L 90° Pipe Bend 3D七 09, 2018
- Annealing process in the pipeline六 29, 2018
- Port congestion for Cat Lai of Vietnam六 26, 2018
- What is cement lining for pipe fittings?六 26, 2018
- Steel price will drop next week六 25, 2018
- Impact test of EN10204 for German order in Haihao Group六 15, 2018
- What is impact test for pipe fitting?六 14, 2018
- What is pipe fittings’ hardness test?六 13, 2018
- BV witness Haihao Group process EN10204 type 3.2 certificate testing for TOP 500 companies六 12, 2018
- Mechanical properties test by BV in Haihao Group六 05, 2018
- What is mechanical properties test?五 30, 2018
