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v3.24.2

Summary of Significant Accounting Policies (Details) ¥ in Thousands | 12 Months Ended
--- | ---
Mar. 31, 2024 CNY (¥) | Mar. 31, 2023 CNY (¥) | Mar. 31, 2022 CNY (¥)
Summary of Significant Accounting Policies [Line Items] |  |  |
Restricted cash | ¥ 77,200 | ¥ 72,400 |
Allowances for accounts receivable | 300 | 100 |
Deferred revenue |  | 2,174 |
Other income | 2,400 | 600 | ¥ 2,900
Advertising and market promotion expenses |  | 100 | 100
Shipping and handling fees amount | 800 | 1,600 | 1,400
Research and development costs | 16,600 | 16,000 | 14,100
Benefit expenses | ¥ 1,000 | 1,300 | 1,100
Registered capital percentage | 50.00% |  |
Reserves and surplus percentage | 10.00% |  |
Statutory reserve funds |  |  |
Exchange rate | 7.095 |  |
Minimum [Member] |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |
Estimated useful life | 3 years |  |
Maximum [Member] |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |
Estimated useful life | 10 years |  |
Government Grants [Member] |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |
Deferred revenue | ¥ 6,200 | 8,700 |
Supplier Concentration Risk [Member] |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |
Revenue | 56,900 |  |
Customer One [Member] | Revenue Benchmark [Member] |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |
Revenue | 37,800 | 44,400 |
Customer One [Member] | Accounts Receivable [Member] |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |
Revenue | 11,000 | 14,000 |
Customer Two [Member] | Revenue Benchmark [Member] |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |
Revenue | 24,300 | 25,900 |
Customer Two [Member] | Accounts Receivable [Member] |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |
Revenue | 6,000 | 11,900 |
Customer Three [Member] | Revenue Benchmark [Member] |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |
Revenue | 20,000 | 25,800 |
Customer Three [Member] | Accounts Receivable [Member] |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |
Revenue | 4,500 | 9,400 |
Customer Four [Member] | Accounts Receivable [Member] |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |
Revenue | ¥ 3,900 | ¥ 8,600 |
Before May 1, 2018 [Member] |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |
Value added tax percentage | 17.00% |  |
From May 1, 2018 to April 1, 2019 [Member] |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |
Value added tax percentage | 16.00% |  |
After April 1, 2019 [Member] |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |
Value added tax percentage | 13.00% |  |

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