Tongguan mine construction

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DATA

TITLE

2022-07-28
2022-07-28
2022-07-28
2020-12-09 The company successfully passed the national high-tech enterprise certification
2020-10-19 The company has been authorized 16 utility model patents
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

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

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