Related party transactions and balances (Details Narrative) - CNY (¥) |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2025 |
Jun. 20, 2025 |
|
| Related Party Transaction [Line Items] | |||
| Convertible note issued | ¥ 45,000,000 | ||
| Purchase price | ¥ 41,400,000 | ¥ 32,200,000 | |
| Parent [Member] | |||
| Related Party Transaction [Line Items] | |||
| Repayments of Related Party Debt | ¥ 17,379,014 |
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Including the current and noncurrent portions, carrying amount of debt identified as being convertible into another form of financial instrument (typically the entity's common stock) as of the balance sheet date, which originally required full repayment more than twelve months after issuance or greater than the normal operating cycle of the company. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- 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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The cash outflow for the payment of a long-term borrowing made from a related party where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Payments for Advances from Affiliates. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Details
|