• 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

Yulong steel pipe company is one of the biggest steel pipe manufacturer in China, which has more than 2800 employees and 20 sets of steel pipe processing and manufacturing lines.Yulong steel pipe company planed to invest $50 millions in Nigeria from their HongKong Branch ,and establish two steel pipes processing lines, they have completed bush clearing works and sand filling of an 180000 ㎡ expanse of land in preparation for the construction of a steel mill.  it will be the largest steel pipe mill in Lekki Free Zone when it finish.  It will help the China steel pipes manufacturer to enter the Nigeria markets deeply.



This new pipe mill development is in compliance with the Federal Government Local Content Act, it will be the first Oil and Gas Pipe manufacturer to commence the production of Steel pipes in Nigeria. The main pipe products in this mill is longitudinal submerged arc welded pipe .

The ground breaking ceremony for the Steel Pipe plant is scheduled to hold towards the end of October while actual construction will commence in November 2015 as the fabrication of the steel structure for the factory house has commenced in China.

The Company production capacity is estimated at about 400,000 tonnes per year. The demand for these steel pipes will be driven by oil field developments and crude production, industrial and domestic natural gas distribution projects  and export gas pipeline projects. It also include LNG and other process plants, fabrication yards and construction industry and regional oil and gas development and infrastructure pipe network like the West Africa Power Pool and Trans Saharan Gas Project.  The mill project also will bring around 5000 jobs in Nigeria.


Latest Products

08 2016 04
07 2016 04
19 2016 03
15 2016 03

Our Markets

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.
contact us


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

Tom , Haihao Group

Our References