Tongguan mine construction

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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
2020-06-19 6 utility models and 1 invention patent of the company are authorized by the state
2020-06-19 Five key technologies of the company's construction method have passed the ministerial appraisal
2020-06-19 Accurate penetration of one kilometer ramp of Shaxi project
2020-06-19 The company has obtained two more utility model patents

Wanicp record No.: 11170856 Copyright: Tongguan Mine Construction Co., Ltd. of Tongling Nonferrous Metals Group

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