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v3.25.1

CONTRACT COSTS, NET - Movement of impairment of contract costs (Details) | 6 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2024 CNY (¥) | Dec. 31, 2024 USD ($) | Jun. 30, 2024 CNY (¥)
CONTRACT COSTS, NET |  |  |
Beginning balance | ¥ 8,394,288 | $ 1,150,013 | ¥ 2,586,155
Reversal of allowance | (521,268) | (71,413) | 4,532,872
Charge to cost of sales | (829,611) | (113,656) | 1,275,261
Ending balance | ¥ 7,043,409 | $ 964,944 | ¥ 8,394,288

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- Definition Amount of allowance for credit loss for right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479344/326-20-45-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479837/606-10-45-3 + Details
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