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  • API ERW PipelineThe API ERW pipeline refers to the API (American petroleum institute) ERW (electrical resistance weld) pipeline. The external diameter of the API ERW pipeline is Φ21~Φ426㎜ and its wall thickness is 2.5~12.0㎜.
    Possessing six steel pipe production lines, we can produce high frequency API ERW pipeline with various specifications and steel grades. Besides, we have two hot ...
  • Gas Line PipeThe gas line pipe, also called gas steel pipe, is a kind of gas pipeline mainly used to transport various gases, especially natural gas.
    Usually the line pipe can be divided into seamless steel pipe and welded steel tube. And most of the gas line pipes are welded variety. Pipe mills manufacture line ...
  • Oil Line PipeThe oil line pipe, also known as oil steel pipe, is a kind of pipeline mainly used to transport oil.
    The oil line pipe is used in the deep underground to convey viscous liquid such as alkanes, cycloalkanes and aromatic hydrocarbons mixture. The oil steel pipe can not only be used to convey fuel oil and gasoline, but also industrial products...

Line Pipe


The line pipe is the abbreviation of pipeline steel pipe. In the oil and gas industry, the line pipe is used for conveying oil, product oil, natural gas and water.

The line pipe made in Leadingfly includes main transmission pipeline, regional transportation pipeline and urban pipeline.

We have got certificates of API-5L, API-5CT, ISO9001 and ISO14001. Besides, we have met requirements of European market access by passing certificates of EU pressure-bearing equipment directive and PED-CE. So the high quality of our line pipe is surely guaranteed.


The line pipe is widely used in the transportation under high-pressure, medium-pressure and low-pressure, such as the transport of petroleum, petrifaction, natural gas, water, coal gas, etc. We can produce 400 000tons pipeline steel pipes with various specifications annually.

Established in 1998, Cangzhou Leadingfly Steel Pipe Co., Ltd is a professional manufacturer and supplier of line pipe in China. Apart from line pipe, we also provide clients throughout the world with welded steel pipe, seamless steel pipe, galvanized steel pipe, custom steel pipe, anti-corrosion steel pipe, pipe fittings, etc. We have obtained the certificate of American petroleum institute. With high quality and competitive pricing, our products have been well received by customers from Europe, America, Middle East, Africa, Southeast Asia, Australia, New Zealand, Korea, and many other countries and regions. If you’re interested in our line pipe, please contact us freely.