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2020-09-15 Successfully solve the problem of backflow sticking in the new drilling well
2020-09-15 The company held the press conference of enterprise level construction method in 2020
2020-06-28 The company won two ministerial QC achievement awards
2020-06-24 The company won the
2020-06-24 A new invention patent is authorized by the company
2020-06-19 An invention patent of the company is authorized
2020-06-19 The company carries out smooth blasting operation in an all-round way
2020-06-19 The company invests in the introduction of intelligent rock drilling jumbo
2020-06-19 The company held 2017 QC achievements on-site press conference

Copyright: Tongguan Mine Construction Co., Ltd. of Tongling Nonferrous Metals Group

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