Wennan colliery of Xinwen coal mining Group is an old coalmine and is mining deep coal layer.

汶南煤矿是新汶矿业集团进入深部开采的老矿井。

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During the gas drainage test in No. 12 Mine of Pingdingshan Coal Mining Group, good gas prevention...

通过在平顶山十二矿的试验，取得了良好的瓦斯防治效果。

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The paper introduces the current situation of the power supply system in Wulan Coal Mine, and following the general plan of tapping the northern potential by Ningxia Coal Mining Group Co.

本文介绍了乌兰煤矿供电系统的现状，按照宁夏煤业集团公司“北部挖潜”战略的总体部署对供电系统作出的改造方案。

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Given the growing distaste for offshore drilling in the wake of the ongoing BP oil spill in the Gulf of Mexico, the coal mining group could receive added attention as a viable alternative.

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Group's coal subsidiary, Semirara Mining Corp.

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In the end, Bakrie had to throw two more major assets into GoodCo (company officials will not specify which were added, although creditors say the final group includes shares of the company's most profitable plantation subsidiary, a coal-mining joint venture and petrochemical, electronics and pipe companies).

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