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  Proper storage of stainless steel bent tubes for long-lasting quality

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  Successful application of X70 Type B sleeves in the National pipeline west division company

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  Haihao Group is your trusted partner for prompt and precise piping solutions

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  Recent market insights: cold and hot rolled sheet prices

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  Haihao Group delivers final shipment of elbow and weldolet to Shunzhou Shipyard

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  Introducing pipe unions: Versatile and reliable pipe connectors

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  Haihao Group uses medium frequency pipe bending machine to manufacture pipe bends for Saudi customers

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  Delivering excellence Haihao Group’s shipment to Bulgaria

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  Haihao Group delivers rapid solutions to Singaporean client’s urgent needs

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  Introducing P265GH your ultimate solution for Ship’s piping system

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  Spanish customer order EN 10253-2 90-degree LR elbow P265GHH for ship’s fire-fighting piping system

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  Haihao Group – your trusted partner for ABS certified pipe fittings

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  Exploring the potential impact of room-temperature superconductivity on pipe fittings

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  Strategic collaborations Haihao Group’s manager explores groundbreaking solutions at China First Heavy Industries

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  The difference between seamless tee and welded tee in the production process

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  Haihao Group provides high quality solutions to ensure the safety of FPSO pipeline systems

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  Haihao Group passes rigorous third-party inspection for coating perfection

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  The difference between PE and BE ports in the pipeline

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  Haihao Group delivers pipe fittings with unparalleled mechanical strength for UAE oil projects

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  Enhancing connectivity through one belt one road: Haihao Group empowering southeast Asia’s waterworks projects

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  Haihao Group empowers Novatek’s “Arctic LNG-2” project with premium pipe fittings

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  GR WPHY60 the powerhouse material for pipe fittings

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  Discover the exceptional qualities of ASTM A182 F5 material

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  ASME B18.31.2 stud bolt quality inspection