- 2023-07-04Discover the power of reliability with Haihao Group’s ANSI B16.47 class 900 high-pressure lap joint flange 12 inch RF
- 2023-06-30Haihao Group high-quality flanges for diverse industrial applications
- 2023-06-30Introducing ASME B16.5 A105 DN1200 weld neck flange
- 2023-06-28The production process of flange filters quality and precision
- 2023-06-26The rigorous pressure test quality inspection process of ASME B16.47 class 900 Series A welding neck flange
- 2023-06-25DNV-GL certified marine flanges reliability and quality assured
- 2023-06-20Weld Neck Flange DIN 2631 PN6 DN32
- 2023-06-13How to choose the perfect coating for flanges?
- 2023-06-08ASME B16.21 Flange Gasket Dimensions
- 2023-05-31The significance of DIN EN 1092-1 flange ratings
- 2023-05-26DN50-PN16 BS EN 1092-1 A105 SO Flange: The perfect solution for your piping needs
- 2023-05-24Introducing the high-quality SAE-B flanges for marine hydraulic pipelines
- 2023-05-22Shipping of B16.47 A CL150 A105 RF CS Blind Flanges
- 2023-05-18Explore the material types and unique characteristics of flanges
- 2023-05-16Quality inspection of our flange pipe joint products
- 2023-05-15Production process where flange and base pipe are welded together
- 2023-05-11Production process and overcoming challenges of high-quality pipe and flange combination
- 2023-05-09Introducing our high-quality pipe and flange combination: The perfect solution for your project
- 2023-05-08Differences between ASME B16.5, B16.47, B16.48, and B16.36 flanges
- 2023-05-05Explore the world of flange standards with Haihao Group: ASME, AWWA, DIN, EN, BS, JIS, GOST, SABS, and More
- 2023-05-04Haihao Group providing quality offshore wind power flanges
- 2023-04-27Surface treatment for flanges: enhancing corrosion resistance and aesthetic appeal
- 2023-04-26Choose the perfect flange for your application
- 2023-04-25Applications and features of Class 1500 and Class 2500 spectacle blind flanges
- 2023-04-24Exploring the different types of marine flanges used in shipbuilding and offshore structures
- 2023-04-23Protecting your flanges: understanding the types of coating treatments
- 2023-04-21Flanges in FPSO LNG and Ship Piping Systems: Material and Processing Technology Explained
- 2023-04-20EN 1092-1 flanges from Haihao Group: unmatched performance for industrial applications
- 2023-04-192023 Moscow NEFTEGAZ booth 74CIPUE-15, Haihao Group welcomes you
- 2023-04-07Enhancing oil production efficiency with orifice flanges A182 F304 ANSI B16.36 from Haihao Group