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  Haihao Group attended in CIPPE

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  Pipe fittings with high strength sunscreen and anti-corrosion coating finished in Haihao Group

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  Introduction of reducing flange

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  A good chance for your piping products order

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  Haihao Group will attend NEFTEGAZ 2019

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  HEBEI HAIHAO GROUP will attend the 8th Tube China

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  ASTM A179 Boiler Pipe

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  Haihao Group offer excellent piping solutions for sewage treatment project in Iraq

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  Hydrostatic test for pipeline

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  Our company estimate the impact of new investigation from US

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