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  Flange welding techniques and selection guidelines by Haihao Group

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  Haihao Group receives order for SA516 Gr.60 blind flanges from Malaysian Client

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  Haihao Group actively participates in national wind power projects, facilitating clean energy development

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  Benefits of using slip on flanges

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  Haihao Group delivers customized ASME B16.5 RF reducing slip-on flanges to U.S. client

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  Advancements in wind turbine flange technology

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  SANS/ SABS 1123 Flanges

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  Unveiling excellence in manufacturing: Haihao’s forged tube sheets

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  The vital role of wind turbine tower flanges in wind energy generation

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  Unlocking efficiency and cost savings: the power of carbon steel flange overlay welding

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  Catering to customer needs UAE client orders specialized pipeline components

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  Why do forged flanges need heat treatment ?

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  Understand the standard of flanges and how to choose?

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  Haihao Group provides large-diameter wind power flanges to support the industry’s growth

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  Haihao Group delivers high-quality ASME B16.5 4″ WN flanges with A182 F316L MO>2.5%

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  An article takes you to understand the types of SAE flanges

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  Enhancing maritime cooling systems with ASME B16.5 ASTM A105N SO RED flanges

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  Unveiling our achievement DN40-DN100 SO flanges ASME B16.5 CL150 RF/ ASTM A105N

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  A guide to pressure ratings and temperature dynamics of ASME B16.5 flanges

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  DNV’s 7th edition of “global energy transition outlook” unveils insights: Fossil fuels still dominate new energy landscape

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  Proper storage of flange and pipe fittings to ensure quality and longevity

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  How to avoid the deformation of flanged pipe fittings?

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  Precision unveiled ultrasonic testing in flange manufacturing

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  Common problems and effective solutions to ensure flange integrity