The strongest cold air mass has arrived
Temperatures have plummeted
Rig owners, be sure to promptly
activate cold-weather protection mode for your rotary drilling rigs
Mine Pit Treatment, Ecological Restoration, and Strengthening Livelihood Security | The Curtain Water-Cutoff Project (Phase I) at Yuanbaoshan Open-Pit Coal Mine, in Which Shanghai Yuanyang Participated, Has Been Successfully Completed!
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