case
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Shougang Technology Research Institute
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Jizhong Energy Hebei Fengmei Coking Co., Ltd.
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Shaanxi Yellow River Mining
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Shandong Hongda Chemical Industry
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Shandong Jikuang Peoples Livelihood
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Yunnan Qujing Dawei Gas Supply Co., Ltd.
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Hebei Qianan Lanhai Coking Company
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Shanxi China Resources Coal
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Heilongjiang Dongxing Coal Chemical Company
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Xinjiang Mega Energy