Company News
- 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
- The exemplary quality inspection process of our flanges2023-05-22
- Haihao Group delivers 20 Pieces of B16.47 A CL150 A105 RF weld neck flanges2023-05-18
- Large sized anti-corrosion flanges: Ensuring reliable and durable pipeline connections2023-05-16
- Challenges in forging large-scale flanges2023-05-15
- Mastering the art of flange forging: EN10250 P265GH flat flanges2023-05-09
- The benefits of slip on flanges for your piping system2023-05-08
- API 6A-TYPE 6B and 6BX Flanges: the ideal choice for high-pressure applications2023-05-06
- Difference between ASME B16.5 flanges and ASME B16.47 flanges2023-05-05
- Wind power demands special flanges: understanding the differences between offshore wind flanges and standard flanges2023-05-04
- Introduce of ASTM A694 F52 B16.5 flanges2023-05-04
- The challenges of manufacturing high pressure flanges: Overcoming difficulties for exceptional performance2023-04-26
- What you need to know about AWWA C207-07 Class B rings and blinds flanges2023-04-25
- Understanding the heat treatment process of low temperature resistant flanges2023-04-24
- ASME B16.47 SER.B (API605) Class 900 flanges by Haihao Group2023-04-21