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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Jilin gas pipeline ( Changchun )

Changchun northeast loop line and Changchun FAW natural gas pipe line project used our 3PE anti-corrosion steel pipe. The total weight of them is 15000 tons, the specifications are Φ273~Φ529 and the materials are L360 and L245, and we won the praise from my clients.

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