News
- Recent Shipment of Reducing Socket Weld Flanges to Indonesia2025-07-07
- Haihao Group supplies ASME B16.48 spectacle blinds, spades, and spacers for global shipbuilding projects2025-07-04
- Haihao Group supplies A320-L7 stud bolts and ASME B16.5 LF2 blind flanges for Russian low-temperature project2025-07-03
- Production and testing of ASME B16.5 F51 Flanges for our Italian client2025-07-01
- Production and Delivery of Custom S235JR2 Flanges for Danish Pipeline Retrofit2025-06-27
- High-Pressure RTJ Flanges and Spacers for Arctic Pipeline Project2025-06-26
- Haihao Group delivers ABS certified ASME B16.48 SS316 paddle spacers & blanks to Singapore client2025-06-24
- Custom Flanges Manufactured with ASTM A516 Gr.70 Steel for Industrial Applications2025-06-19
- Custom 600# RTJ Sight Glass Flange Supplied to Côte d’Ivoire2025-06-17
- Precision Flow Control with ASME B16.36 RF A105 Orifice Flange Supplied by Haihao Group2025-06-10
- What Is the Difference Between Spectacle Blind and Spade in Piping Systems?2025-06-05
- Haihao Group’s Premium ASME B16.5 A105N RF Weld Neck Flanges2025-06-03
- ASME B16.5 ASTM A105 weld neck flange overlay INCONEL UNS N066252025-05-26
- Haihao Group supplies WN Compact Flange with IX Seal Ring Compliant with BS EN ISO 275092025-05-23
- Custom 18″ ASME B16.36 orifice flange supplied to Singapore client by Haihao Group2025-05-22
- Haihao Group provides EN1092-1 P250GH galvanized threaded flanges for Slovak customer2025-05-21
- Supplying high-pressure API 6A Type 6BX nickel alloy flanges to Singapore2025-05-20
- Haihao Group successfully delivers EN 1092-1 Type 01 Q235B RF slip-on flanges to Malaysia2025-05-14
- Haihao Group Successfully Delivers ANSI B16.5 ASTM A105 RF Weld Neck Flanges to Hong Kong Client2025-05-06
- Haihao Group completes ASME B16.5 class 150 316 custom blind flanges order for Spanish client2025-04-30