Company News
- The challenges of manufacturing high pressure flanges: Overcoming difficulties for exceptional performance2023-04-26
- What you need to know about AWWA C207-07 Class B rings and blinds flanges2023-04-25
- Understanding the heat treatment process of low temperature resistant flanges2023-04-24
- ASME B16.47 SER.B (API605) Class 900 flanges by Haihao Group2023-04-21
- GOST 12820-80 PN6-PN25 and GOST 12812-80 PN6-PN160 Flanges: Reliable solutions for various industries2023-04-20
- 2023 Moscow NEFTEGAZ booth 74CIPUE-15, Haihao Group welcomes you2023-04-19
- Reliable and High-Performance ANSI B16.5 Class 2500 threaded forged flanges from Haihao Group2023-04-07
- API and ANSI/ASME flanges: Haihao Group’s high-quality solutions for demanding applications2023-04-06
- Difference between ANSI/ ASME flanges and API flanges2023-04-04
- New opportunities for the development of large diameter wind power flange2023-03-30
- ASTM A240 316/316L Paddle Spacer used in Arctic LNG2 Project2023-03-29
- Blind Flange RTJ ASTM A350 Gr.LF2 Cl.1 ASME B16.5 successfully used in Arctic LNG2 project2023-03-28
- Quality inspection for ASTM A182 316/316L, ASTM A350 Gr.LF2 weld neck flanegs and blind flanges2023-03-27
- ASTM A182 316/316L, ASTM A350 Gr.LF2 weld neck flanges and blind flanges ready for delivery2023-03-24
- ASME B16.47A ASTM A105 weld neck flanges and blind flanges shipped2023-03-22
- Modular Operation of the Arctic 2 Project2023-03-20
- Haihao participated in the supply of Yamal project2023-03-17
- Heat treatment requirements for forgings on FPSO2023-03-06
- FPSO flange forging material requirements2023-03-02
- Arrange quality inspection for wind power flange2023-03-01