• 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

Hebei Haihao Group will take part in the 21st Iran International Oil,Gas, Refining And Petrochemical Exhibition. The exhibition will be held at 5-8 May 2016. As one of the most important steel piping products manufacturers and suppliers in China, our company will show the steel pipe fittings , steel flanges and other piping products in the exhibition .



This exhibition will be organized by National Iranian Oil Company(NIOC)and supported by Ministry of Petroleum . Over 100,000 trade visitors from some 40 countries/regions are expected to attend the show .It is an opportunity for getting information on products and suppliers in a concentrated period of time .
We sincerely invite you to visit our booth:
Tehran International Permanent Fairground Hall No.38 C005A3  
For more detailed information about this fair, please refer to:


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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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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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