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BUSINESS ACQUISITION AND INVESTMENT IN UNCONSOLIDATED ENTITY - Fair value of identified intangible assets, customer relationship and its estimated useful lives (Details) - 6 months ended Dec. 31, 2023 - Future Gas Station (Beijing) Technology, Ltd	CNY (¥)	USD ($)
BUSINESS ACQUISITION AND INVESTMENT IN UNCONSOLIDATED ENTITY
Intangible assets - customer relationship	¥ 7,000,000	$ 985,929
Less: accumulated amortization	(1,750,000)	(246,482)
Less: impairment	(5,250,000)	(739,447)
Intangible assets - customer relationship, net	¥ 0	$ 0
Average Useful Life (in Years)	10 years

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The amount of accumulated impairment on intangible assets excluding goodwill.

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Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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