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  Factors influencing heat treatment deformation

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  Haihao Group’s commitment to meeting urgent customer flange needs

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  Hot dip galvanizing process and benefits of flange

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  Introduction to swivel flanges: Haihao Group’s expertise in offshore engineering

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  Material requirements for ASTM A694 GR. F65 compact flange

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  Introduction to new expansion techniques for heat exchanger tubes and tube sheets

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  Introduction to traditional expansion joint techniques for heat exchanger tubes and tube sheets

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  Connection method between heat exchanger tubes and tube sheets-Expansion Joint

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  Haihao Group’s successful participation in Tube China 2024

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  What is tube sheet?

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  Supply ASME B16.5 ASTM A350-LF2 C1.1 weld neck flanges to our Indonesian customer

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  Developments in offshore wind power equipment and Haihao Group’s commitment

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  Haihao Group invites you to attend the 11th Tube China

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  How to improve the accuracy of orifice flange flow measurement

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  High-performance ASME B16.48 ASTM A516 Gr.70 spectacle blind flanges with inconel 625 cladding for Singaporean client

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  A comprehensive comparison between weld neck flanges and slip-on flanges

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  Domestic customers ordered weld neck flanges and gaskets products from Haihao Group

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  Singapore customer ordered API 6BX RTJ ASTM A694 F65 blind flanges

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  The difference between butt welding and socket welding

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  Haihao Group congratulates the successful delivery of AGOGO FPSO

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  What is RSB gasket?

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  Haihao Group celebrates the advancement in offshore wind energy with our wind power flanges

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  Understanding orifice flanges: Essential components in flow measurement systems

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  What is the hardfacing process and its benefits for flanges?