News
- Haihao Group secures large flange order from a Qatari client2025-03-25
- NEFTEGAZ 2025: The Premier Oil and Gas Exhibition in Moscow2025-03-20
- NACE MR0175 compliant flanges for Russian client: Haihao Group ensures quality & timely delivery2025-03-19
- EN ISO 27509 WN compact flange with IX seal ring ordered by Singapore client2025-03-12
- Haihao Group supplying SA-182 Gr.F9 forged flanges to Russian client2025-03-07
- High-Pressure ASTM A240 UNS S32760 Paddle Blank2025-03-06
- Introducing our premium ASME B16.5 ASTM B564 UNS N06625 RF socket weld flanges for Singapore clients2025-03-05
- What is a JIS B2220 threaded flange?2025-02-28
- ASME B16.5 2″ WN Flange RF ASTM A694 GR. F65 SCH STD 600# – A custom production for Singapore client2025-02-27
- Russian client selects Haihao Group for ASME B16.5 A350 GR LF2 CL.1 weld neck flange2025-02-20
- Haihao Group delivers ASME B16.47A A105N RF blind flanges2025-02-17
- API 17D TYPE 17SV SWIVEL FLANGE RTJ A182 F55 10000PSI for Singapore Client2025-02-11
- ABS certification and Haihao Group’s commitment to quality2025-02-10
- Haihao Group supplies premium ASME B16.5 socket weld flanges to Singapore customer2025-02-08
- Haihao Group is your trusted partner for GOST 33259 Gr.F22 Cl.3 RTJ weld neck flanges2025-02-06
- Haihao Group delivers ASME B16.5 A105N blind flange with black paint coating to Singaporean client2025-01-23
- Haihao Group supplies ASME B16.5 RTJ ASTM A182 GR F347 blind flange for Belarusian client2025-01-21
- Haihao Group prepares pipeline products shipment for Indonesia2025-01-16
- WN FLANGE RTJ 10000 PSI API 6A TYPE 6BX SUPER DUPLEX SS ASTM A182 GR. F552025-01-07
- Haihao Group delivers EN 1092-1 Type 01 flat flanges in ST37-2 material for Sri Lankan client2025-01-06