nanjing natural gas utility project-4234棋牌开元官网

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nanjing natural gas utility project
release time: 2016-1-20 6:10:17  viewed:

contract price: 48.38 million rmb. length of pipeline: 45km. the project was consisted of one gas station, one gas master filling station and seven high-medium pressure regulation stations. the pipeline was divided into two types, i.e., sprial welding pipe d406.4×10.3 & d813×10 and longtitudinal seam welding pipe d406.4×10.3 & d610×10.3. exterior anticorrosion and catholic protection were adopted.

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