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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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  The key way to improve the measuring precision of orifice flanges

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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?

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

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

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  Haihao Group ships essential flange connection components to Latvia client

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  Flange forging process

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  Introducing our high-quality spectacle blind flange for Singapore client

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