Nuestra Noticias
- 15-11-29Haihao group passed the inspection of ASTM A694 F65 flange
- 15-11-27Hebei Haihao Group finished high pressure flanges packing.
- 15-11-11Our pipe fitting factory finish the Aerospace fuel piping systems order
- 15-11-08Hebei Haihao provide customizied packing for pipe fittings
- 15-10-26President Maduro Suggest the Oil Price Should Be at USD88.
- 15-10-15Canadian clients had a satisfied visiting to Haihao Group for spectacle blind flange.
- 15-10-12Steel pipe fittings material and production
- 15-04-30Bayi Steel Gained 195 Million Yuan of National Financial Reward
- 15-04-20The popular pipe fitting types
- 15-04-13How to calculate the pipe bend in an accurate way- Haihao Group