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  What is SA-516 Gr. 70 material?

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  Haihao Group delivers ASME B16.9 A234 WPB pipe fittings to Singapore with Utmost Care

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  Haihao Group provides excellent low temperature impact tested fittings for Indonesian customers

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  Haihao Group delivers high-quality A420 WPL6 90 degree LR elbows to Indonesian client

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  Haihao Group delivers top-quality SMLS bends to singapore customer

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  Haihao Group steps up to deliver on additional customer orders

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  Elevating performance with our duplex 2205 stainless steel concentric reducers

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  Embracing the Green Hydrogen Era: 2023 China hydrogen industry summit

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  Understanding steel pipe hardness testing methods

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  Seamless solutions for maritime success: Haihao Group’s certified marine pipe fittings

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  Haihao Group’s insight into market raw material fluctuations

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  Steps for cooling down pipe bends and methods to prevent damage during transportation

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  Introduction to the advantages and disadvantages of stainless steel seamless pipes

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  Haihao Group supplied JIS G3454 STPG 370-E pipe fittings to the shipyard

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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