News
- 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
- Supplying high-performance flanges to UAE client2025-01-02
- Custom-designed flanges by Haihao Group for specialized applications2024-12-30
- ASME B16.5 10″ weld neck flange ASTM A694 GR. F65 NACE MR0175 produced by Haihao Group for Singapore customers2024-12-27
- Differences between RF and RTJ blind flanges in Russian client order2024-12-26
- Haihao Group delivers ASME B16.5 RF A182 GR F51 reducing threaded flange for Singapore client2024-12-23
- Expedited flange order delivered to Singapore client by Haihao Group2024-12-19
- Custom flanges for MARPOL Annex I standard2024-12-18
- Custom flanges and accessories for Singapore client: Expert solutions by Haihao Group2024-12-17
- High-quality ASME B16.5 RF A350 GR.LF2CL.1 blind flange by Haihao Group2024-12-12
- API 6A RTJ Type 6BX blind flange with 1/2″ NPT2024-12-09
- EN 1092-1 RSt 37.2 RF weld neck flanges ready for delivery2024-12-06
- Successful production of A105 flanges for a Brazilian client2024-12-04
- Delivery of GOST 33259 RTJ weld neck flanges to Australia2024-11-29
- Overview of ASME B16.5 RTJ A182 F22 CL.1 blind flange2024-11-28
- ASME B16.5 A105N hot-galvanized reducing thread flanges ready for UAE delivery2024-11-27
- Preheating and post-weld cooling in overlay welding2024-11-27
- ASTM A182 F51 S31803 JIS B2220 10K RF blind flanges for Singapore customer2024-11-26