• 

  Explore the world of flange standards with Haihao Group: ASME, AWWA, DIN, EN, BS, JIS, GOST, SABS, and More

• 

  Haihao Group providing quality offshore wind power flanges

• 

  Surface treatment for flanges: enhancing corrosion resistance and aesthetic appeal

• 

  Choose the perfect flange for your application

• 

  Applications and features of Class 1500 and Class 2500 spectacle blind flanges

• 

  Exploring the different types of marine flanges used in shipbuilding and offshore structures

• 

  Protecting your flanges: understanding the types of coating treatments

• 

  Flanges in FPSO LNG and Ship Piping Systems: Material and Processing Technology Explained

• 

  EN 1092-1 flanges from Haihao Group: unmatched performance for industrial applications

• 

  2023 Moscow NEFTEGAZ booth 74CIPUE-15, Haihao Group welcomes you

• 

  Enhancing oil production efficiency with orifice flanges A182 F304 ANSI B16.36 from Haihao Group

• 

  API and ANSI/ASME flanges: Haihao Group’s high-quality solutions for demanding applications

• 

  What’s the difference between ANSI/ ASME flanges and API flanges?

• 

  Haihao Group called attention to the safety risks of ship pipeline systems

• 

  ASTM A240 316/316L Paddle Spacer used in Arctic LNG2 Project

• 

  ASTM A350 Gr.LF2 Cl.1 ASME B16.5 C1 weld neck flange applied to Arctic LNG2 project

• 

  Quality inspection for ASTM A182 316/316L, ASTM A350 Gr.LF2 weld neck flanegs and blind flanges

• 

  ASTM A182 316/316L, ASTM A350 Gr.LF2 weld neck flanges and blind flanges ready for delivery

• 

  Saudi customer added AWWA C207 A105 slip on flange orders

• 

  Characteristics of epoxy powder coatings

• 

  Reasons for corrosion of petrochemical pipeline

• 

  Bolt type for flange

• 

  Types of blind flange

• 

  Types of flange gaskets