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  • Steel Flanges

    A flange is a method of connecting pipes, valves, pumps and other equipment to form a piping system， provides easy access for cleaning, inspection or modification. read more

  • Pipe Fittings

    The ends of all buttweld fittings are bevelled.The shape of the bevel depending upon the actual wall thickness.This bevelled ends are needed to be able to make a "Butt weld". read more

  • Steel Pipes

    Pipe is a hollow tube with round cross section for the conveyance of products. The products include fluids, gas, pellets, powders and more. read more

Welcome to Steel Blind Flange,Steel Blank Flange,Steel Flange Cap

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08 2016 04

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19 2016 03

What is A234 WPB steel pipe fittings?

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15 2016 03

Hebei Haihao Group and Wavin Group work togeth ...

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haihao has been a professional supplier of pipes,fittings and flanges, serving the world industry piping since 1982.
oil and gas industry

as a leading manufacturer,stockist and supplier, our knowledgeable and experienced technical team can understand well what you need . help you find the best solution for your regular and specific requirement.
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Our VISION:

“Serving the world flowing! Aiming to be the best in the field! Improving level of “Made in China”!”

Tom , Haihao Group

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