XML 64 R16.htm IDEA: XBRL DOCUMENT
v3.26.1

Non-current financial assets at fair value through other comprehensive income | 12 Months Ended
--- | ---
Dec. 31, 2025
Non-current Financial Assets At Fair Value Through Other Comprehensive Income |
Non-current financial assets at fair value through other comprehensive income | 9. Non-current financial assets at fair value through other comprehensive income Schedule of non-current financial assets at fair value
| As of |  | As of
| December 31, 2025 |  | December 31, 2024
YMA DG | $ | - |  | $ | 985,259
Forwell |  | - |  |  | 804,545
Cycle Services Loire |  | - |  |  | -
Non-current financial assets | $ | - |  | $ | 1,789,804
Note: a) The Company holds 19.5% of the equity interest in YMA DG and Forwell, both of which are manufacturers of bicycles parts in the PRC, and in which the Company does not have a controlling interest or significant influence. The investment is recorded at fair value through other comprehensive income. During the current year, management decided and switched to a new operating strategy and expected that the investments in both YMA DG and Forwell are no longer recoverable, the Company has written off these investments to consolidated statements of comprehensive (loss) income during the year ended December 31, 2025.

X
- References No definition available. + Details
Name: | YMAT_DisclosureNoncurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAbstract
Namespace Prefix: | YMAT_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Disclosure of non-current financial assets at fair value through profit or loss explanatory. + References No definition available. + Details
Name: | YMAT_DisclosureOfNoncurrentFinancialAssetsAtFairValueThroughProfitOrLossExplanatory
Namespace Prefix: | YMAT_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration