Company News
- Haihao Group supplies DIN 2576 P265GH slip on flanges to Singapore client2025-08-05
- Haihao Group supplies weld neck flanges to Russian client with precise specifications2025-07-28
- Haihao Group delivers flanges, fasteners, and gaskets for Russian client2025-07-22
- Haihao Group supplies GOST 33259 flat and blind flanges to Belarus Client2025-07-18
- Haihao Group supplies blind flanges and figure 8 blind flanges for Russian client2025-07-14
- Haihao Group Delivers ASME B16.5 Weld Neck Flanges with HIC & SSC Test in One Week2025-07-08
- 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