Liaoning Aotong Steel pipe Co., Ltd.

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The company has eleven sets of spiral welded steel pipe production unit with international modern levels and a set of production line of modern 3-layer PE Anti-corrosion coatings. The outer diameter(OD) of spiral welded pipe from Φ219mm to Φ3600mm, the wall thickness of spiral welded pipe from 6mm to 25mm, steel grade from A25-X80.

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PetroChina Xinjiang Duzishan ten million tons Oil Refining and one million tons ethylene project

This project is PetroChina built a oil storage base in Xinjiang Duzishan. Part of oil pipelines and the whole fire fighting pipelines are use of our products——spiral welded pipes. The total weight of them is 12000 tons, the specifications of them are Φ273.1—Φ1016, the materials are Q235B and L245—L390.

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