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v3.25.1

Schedule of Endorsement and guarantee fees are as follows (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023
Key management |  | $ 471,574

X
- Definition Guarantees fee. + References No definition available. + Details
Name: | YMAT_GuaranteesFee
Namespace Prefix: | YMAT_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration