Bharathidasan University   Datong Jinsheng Haoda Coal Industry Co., Ltd.   Tangshan Baotie Coal&Chemicals Co.,Ltd   Tangshan Baotie Coal &Chemical Co.Ltd   ?Hebei Longchang Coal Energy Co.,Ltd   Hebei Longchang Coal Energy Co.,Ltd   Shandong China Coal Group Co., Ltd.   Shandong China Coal Group Co.,Ltd   Hebei Longchang Coal Energy Co.,Ltd   Hebei Longchang Coal Energy Co.,Ltd   Shanxi TianYu Coal Chemical Co.,Ltd   Tangshan Baotie Coal&Chemical Co.,Ltd   Shandong China Coal Industry & Mining Group   Shandong China Coal Mining Group   Shandong China Coal   MAPECON Green Charcoal Phils., Inc.   Huanghua Xinnuo Lixing Coal Chemicsl Co.,Ltd.   Tangshan Baotie Coal & Chemical Co., Ltd.   Tangshan Baotie Coal&Chemical Co.,Ltd   Henan Coal Gas Group Co.Ltd