• 

  Ensuring quality and reliability with ASME B16.20 spiral wound gaskets and the role of intergranular corrosion testing

• 

  Haihao Group’s capability in custom manufacturing:Transition ring for Russian client

• 

  Haihao Group ships essential flange connection components to Latvia client

• 

  Flange forging process

• 

  Introducing our high-quality spectacle blind flange for Singapore client

• 

  Premium ASME B16.5 RF CL300 ASTM A105N weld neck flanges

• 

  Haihao Group’s custom flanges meet customers’ ordering requirements

• 

  Unlocking the excellence of ASME B16.5 RF SA-182 F316/316L BL Flange

• 

  ASME B16.5 RF CL150 ASTM A105N SO Flange

• 

  ASME B16.5 flange ultrasonic testing at Haihao Group

• 

  Comparative analysis of four non-destructive testing methods for flanged pipelines

• 

  Haihao Group takes you to understand the inspection of pressure vessel flanges

• 

  Ensuring reliability and safety pressure vessel flanges

• 

  Things to note when welding stainless steel flanges

• 

  ASME B16.5 RF A105 SO flanges for UAE client

• 

  Understanding the sealing principles of flanges

• 

  Introduction to factors affecting flange sealing

• 

  Revealing the superior flange coating options of CR3C2-25NICR cermet coating

• 

  Haihao Group customizes ASME B16.5 A105N forged flange for Singapore customers

• 

  Introducing the ultimate solution for demanding pipe connections ASME B16.5 socket weld flanges

• 

  Optimize fluid systems with Y-type flange filters

• 

  Improve pipeline integrity by choosing EN 1092-2 PN16 P265GH weld neck flange

• 

  Superior sealing solutions with ASME B16.5 RF reducing slip-on flange

• 

  Haihao Group customizes SA-182 F316/ 316L girth flange for Indonesian customers