Coal Mining
This industry comprises establishments primarily engaged in mining bituminous coal, anthracite and lignite by underground mining, and auger mining, strip mining, culm bank mining and other surface mining. Mining operations and preparation plants (also known as cleaning plants and washeries), whether or not such plants are operated in conjunction with mine sites, are included.
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Mining and Oil and Gas Extraction >> Coal Mining
Qingdao Great Chemical Inc.
Oil drilling chemicals, Minerals and food additives, Antifreezing products.
http://www.greatchem.com
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