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ORGANIZATION AND NATURE OF OPERATIONS - Energy consumption market opened to private and foreign companies (Details) - Future Gas Station (Beijing) Technology, Ltd | Jan. 13, 2021 CNY (¥) | Jan. 13, 2021 USD ($) | Jun. 30, 2019 CNY (¥) shares | Aug. 21, 2018 CNY (¥) shares | Feb. 04, 2021 | Dec. 15, 2017
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ORGANIZATION AND NATURE OF OPERATIONS |  |  |  |  |  |
Aggregate amount invested | ¥ 30,530,000 | $ 4,261,824 |  |  |  |
Domestic Companies |  |  |  |  |  |
ORGANIZATION AND NATURE OF OPERATIONS |  |  |  |  |  |
Equity interest acquired |  |  |  |  | 51.00% | 8.00%
Domestic Companies | Investment Agreement |  |  |  |  |  |
ORGANIZATION AND NATURE OF OPERATIONS |  |  |  |  |  |
Equity interest acquired |  |  | 43.00% | 43.00% |  |
Investment in FGS agreed | ¥ |  |  |  | ¥ 10,000,000 |  |
Number of shares issued | shares |  |  | 487,057 | 487,057 |  |
Aggregate amount invested | ¥ |  |  | ¥ 35,116,707 |  |  |
Domestic Companies | Investment Agreement | Post 2024 Reverse Stock Split |  |  |  |  |  |
ORGANIZATION AND NATURE OF OPERATIONS |  |  |  |  |  |
Number of shares issued | shares |  |  | 27,059 | 27,059 |  |
Domestic Companies | Fourth supplemental agreement |  |  |  |  |  |
ORGANIZATION AND NATURE OF OPERATIONS |  |  |  |  |  |
Equity interest acquired |  |  |  | 8.00% | 8.00% |

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