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Hunan Great Steel Pipe Co.,Ltd is specialized in steel pipe & tube production including carbon steel pipe, seamless steel pipe, erw steel pipe, ssaw steel pipe, lsaw steel pipe, etc. and it is the predecessor of branch of China"s oil and gas pipeline science research institute and authoritative pipeline engineering research institute, consists of eight backbone institute and line pipe bureau postdoctoral research stations.
- Latest News : API 5L/ASTM A53 GR.B, SSAW STEEL PIPE Date:2021/1/25