| No. | Customer Name |
| 1 | China Coal Science and Industry Group |
| 2 | Datong Coal Group |
| 3 | Qinghai Jiangcang Coal Industry |
| 4 | Shaanxi Coal Industry Group |
| 5 | Xinjiang Kuqa Coal Mine |
| 6 | China Nuclear Power Engineering Co., Ltd |
| 7 | Shanghai Electric Power Station Environmental Engineering Co., Ltd |
| 8 | Jiangsu Lianmei Bioenergy Co., Ltd |
| 9 | Jiangsu Guoxin Huaian Gas Power Generation Co., Ltd |
| 10 | Ningmei Group |
| 11 | Shenhua Group Co., Ltd |
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