Impairment of investment.

No definition available.

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- Definition

Inventory provision.

+ References

No definition available.

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- Definition

Surcharge on value added tax.

+ References

No definition available.

+ Details

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- Definition

Foreign exchange rate used to translate amounts denominated in functional currency to reporting currency.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 830
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
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-Publisher FASB
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- Definition

The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
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-Topic 230
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- Definition

Gross amount, as of the balance sheet date, of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-SubTopic 10
-Name Accounting Standards Codification
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
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PRINCIPAL ACCOUNTING POLICIES (Details Narrative)	9 Months Ended	12 Months Ended
PRINCIPAL ACCOUNTING POLICIES (Details Narrative)	Dec. 31, 2024 CNY (¥)	Dec. 31, 2025 CNY (¥)	Mar. 31, 2024 CNY (¥)	Mar. 31, 2023 CNY (¥)
Property, Plant and Equipment [Line Items]
Convenience translation rate		6.9931
Inventory, net	¥ 207,400,000	¥ 545,600,000
Inventory provision	10,000,000.0	25,000,000.0		¥ 9,300,000
Impairment provision			¥ 3,500,000
Impairment of long-lived assets	¥ 0	¥ 0		¥ 0
Minimum [Member]
Property, Plant and Equipment [Line Items]
Surcharge on VAT		1.00%
Maximum [Member]
Property, Plant and Equipment [Line Items]
Surcharge on VAT		7.00%