Inventories (Details) - Schedule of Inventory Reserve - Inventories [Member] - CNY (¥) ¥ in Thousands	12 Months Ended
Mar. 31, 2024	Mar. 31, 2023
Inventories (Details) - Schedule of Inventory Reserve [Line Items]
Balance at beginning of year	¥ 10,233	¥ 10,792
Additional charge	688	326
Foreign currency translation difference	(1)	(885)
Balance at the end of year	¥ 10,920	¥ 10,233

Amount of valuation reserve for inventory.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 330
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SAB Topic 5.BB)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480581/330-10-S99-2

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(6))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Name:	us-gaap_InventoryValuationReserves
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant