News
- Haihao Group strengthens partnership with leading shipyards in China2023-08-16
- Spanish customer ordered international flange for ship fire protection system2023-08-11
- Enhance piping flexibility and safety with Haihao’s spacer and spade pipe solutions2023-08-08
- Unlocking the differences of weldolet, flangeolet, and lateral outlet in piping systems2023-08-07
- Ensuring the safety of FPSO pipeline systems: Haihao Group provides high-quality solutions2023-08-04
- Haihao flangeolet supports pipeline projects for customers in the UAE2023-08-01
- The benefits of applying 625 surfacing welding on the flange2023-07-31
- ASTM A105N and Alloy 625 weld overlay weld neck flange helps UAE oil project2023-07-28
- Haihao Group offers high quality spiral wound gaskets2023-07-24
- Haihao Group received an inquiry for customized flange gaskets2023-07-20
- Haihao Group delivers slip on flange CL150 FF CS A105HDG dims to ASME B16.5 for UAE Customers2023-07-19
- Haihao Group’s packaging method for ASME B16.5 6 inch weld neck flange RF ASTM A182 316/ 316L shipment2023-07-17
- Graphite gaskets with metal liner layer specially designed for nuclear power plants2023-07-14
- Haihao Group’s high-quality weld neck flange RF 20in CL150 SCH40 A105N NACE MR 01032023-07-13
- Haihao Group’s ASME B16.5 6 inch weld neck flange RF ASTM A182 316/316L for nuclear power plant projects2023-07-10
- Elevate the performance of your boiler piping system with ASME standard ASTM A182 F5 flanges, flange covers, and gaskets2023-07-07
- Expanding possibilities in subsea pipeline construction the significance of flange connection technology2023-07-06
- Unveiling the temperature versatility of flange gaskets rubber, PTFE and graphite2023-07-05
- The production process of ANSI B16.47 class 900 high-pressure lap joint flange 12 inch RF2023-07-04
- Component testing of ASME B16.5CL600 ASTM A182 Gr.F11 CL.2 socket weld flange2023-06-30