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2020-08-24 Deep main shaft and slip breaking system engineering of huoluoqi copper mine in Inner Mongolia
2020-08-24 Skip shaft, chute and drainage system project of Jiangfeng iron mine of Yunnan Jinghong Longxin Mining Co., Ltd
2020-08-24 Excavation and construction of No.1 return air shaft in Liaoning Sishanling Iron Mine
2020-08-24 Main shaft and air intake shaft project of transferring open pit mining to underground mining in Malanzhuang Iron Mine Co., Ltd., Tangshan Shougang, Hebei Province
2020-08-24
2020-08-24
2020-08-24
2020-08-24
2020-08-19

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

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