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v3.25.1

SIGNIFICANT ACCOUNTING POLICIES (Details) | 6 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Dec. 31, 2024 CNY (¥) | Dec. 31, 2024 USD ($) | Dec. 31, 2023 CNY (¥) | Dec. 31, 2023 USD ($) | Jun. 30, 2024 CNY (¥) | Dec. 31, 2024 USD ($)
SIGNIFICANT ACCOUNTING POLICIES |  |  |  |  |  |
Foreign currency transactions, description | The translation has been made at the rate of ¥7.2993 = US$1.00, the approximate exchange rate prevailing on December 31, 2024. | The translation has been made at the rate of ¥7.2993 = US$1.00, the approximate exchange rate prevailing on December 31, 2024. |  |  |  |
Short-term investments | ¥ 0 |  |  |  | ¥ 88,091,794 | $ 0
Accrued interest income from short-term investment | 0 |  |  |  | 900,000 |
Deferred offering cost | 800,000 |  |  | $ 0 | 0 | 110,981
Contract assets and contract liabilities from contracts with customers |  |  |  |  |  |
Contract costs, net | 41,628,922 |  |  |  | 48,335,817 | 5,700,000
Contract liabilities | 4,098,136 |  |  |  | 1,820,481 | $ 561,442
Revenue recognized | 263,824 | $ 36,144 | ¥ 1,689,759 | $ 231,496 |  |
Accumulated impairment | 0 |  |  |  | ¥ 0 |
Impairment loss | 0 |  | 0 |  |  |
Impairment loss | 0 |  | 0 |  |  |
Investment income | ¥ 0 |  | ¥ 0 |  |  |
Motor vehicles | Minimum |  |  |  |  |  |
SIGNIFICANT ACCOUNTING POLICIES |  |  |  |  |  |
Property, plant and equipment, useful life | 3 years |  |  |  |  | 3 years
Motor vehicles | Maximum |  |  |  |  |  |
SIGNIFICANT ACCOUNTING POLICIES |  |  |  |  |  |
Property, plant and equipment, useful life | 5 years |  |  |  |  | 5 years
Office equipment and fixtures | Minimum |  |  |  |  |  |
SIGNIFICANT ACCOUNTING POLICIES |  |  |  |  |  |
Property, plant and equipment, useful life | 2 years |  |  |  |  | 2 years
Office equipment and fixtures | Maximum |  |  |  |  |  |
SIGNIFICANT ACCOUNTING POLICIES |  |  |  |  |  |
Property, plant and equipment, useful life | 5 years |  |  |  |  | 5 years
Equipment |  |  |  |  |  |
SIGNIFICANT ACCOUNTING POLICIES |  |  |  |  |  |
Property, plant and equipment, useful life | 10 years |  |  |  |  | 10 years
Utilities and Facilities |  |  |  |  |  |
SIGNIFICANT ACCOUNTING POLICIES |  |  |  |  |  |
Property, plant and equipment, useful life | 20 years |  |  |  |  | 20 years

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