XML 50 R39.htm IDEA: XBRL DOCUMENT
v3.25.1

Advance to Suppliers (Details) |  | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Jun. 19, 2023 USD ($) | Jun. 19, 2023 CNY (¥) | Mar. 31, 2025 USD ($) | Mar. 31, 2025 CNY (¥) | Dec. 31, 2023 USD ($) | Dec. 31, 2023 CNY (¥) | Dec. 31, 2022 USD ($) | Mar. 31, 2025 CNY (¥)
Advance to Suppliers [Line Items] |  |  |  |  |  |  |  |
Total contract amount | $ 82,300,000 | ¥ 595,000,000 |  |  |  |  | $ 1,150,000 |
Prepayment amount |  |  | $ 476,000,000 |  | $ 67,200,000 | ¥ 476,000,000 |  |
Committed to pay remaining |  |  |  |  |  |  | 650,000 |
Research and development expense |  |  |  |  |  |  | $ 200,000 |
Accrued debt provision percentage |  |  | 100.00% | 100.00% |  |  |  |
Zhenran Limited [Member] |  |  |  |  |  |  |  |
Advance to Suppliers [Line Items] |  |  |  |  |  |  |  |
Total contract amount |  |  | $ 750,000 | ¥ 5,385,020 |  |  |  |
Loan due |  |  | 50,000 |  |  |  |  | ¥ 358,460
Combined amount |  |  | 800,000 |  |  |  |  | ¥ 5,743,480
Bad debt provision |  |  | $ 200,000 |  |  |  |  |

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