Company News
- 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
- ASME B16.5 socket weld flange CL600 ASTM A182 Gr.F11 CL.2 delivering excellence for your piping needs2023-06-29
- Enhance efficiency and protect your system with flanged filters2023-06-28
- Haihao Group’s strength in delivering ASME B16.47 class 900 Series A welding neck flange2023-06-26
- ASME B16.5 flange ASTM A105N for Singapore customer2023-06-25
- GOST 12820 Flange Material Requirements2023-06-19
- Haihao delivers ASME B16.47 A105 Class 900 Series A welding neck flanges for Saudi customers2023-06-13
- Introducing ASME B16.47 Class 900 series A welding neck flange2023-06-08
- Shipping of DN150 ASTM A53 SCH40 base pipe and PN25 flange welding parts2023-06-08
- Haihao Group’s EN10250-1 P256GH flat flange lead the way in offshore wind power2023-05-26
- Introducing ASME B16.47 SER.B (API 605) flanges Class 75 to Class 9002023-05-24