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Hunan Threeway Steel, under Hunan Shinestar Steel Group(HSSG),which was founded in 1995 and our enterprise is the predecessor of branch of China's oil and gas pipeline science research institute, as the most authoritative pipeline engineering research institute, consists of eight backbone institute and line pipe bureau post***toral research stations, oil and gas pipe is "safe" the main body of the national engineering laboratory on units, is China technology center and plumbing contractor branch of China we...
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