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Zibo Qixiang Tengda Chemical Co., Ltd. -
Zhongtian Hechuang Energy Co., Ltd. -
China Coal Construction and Installation Engineering Group Co., Ltd. -
China Tianchen Engineering Co., Ltd. -
CNPC -
Shenhua -
CHINA HUANQIU CONTRACTING ENGINEERING CO , LTD . -
Zhengzhou Coal and Electricity Material Supply and Marketing Co., Ltd. -
Yangquan Coal Group Material Distribution Co., Ltd. -
Xi,an Coal Mining Machinery Co, Ltd -
Wanhua -
Shenhua Material Group Co., Ltd.
