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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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