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Discontinued operation - Schedule of Discontinued Operation Consolidated Statements of Net (Loss)/Income (Details) - USD ($) | 12 Months Ended
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Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2023
Schedule Of Discontinued Operation Consolidated Statements Of Net Loss Income Abstract |  |  |
Net revenues | $ 1,825,288 | $ 3,702,619 | $ 1,634,221
Cost of revenues | (1,121,174) | (2,216,444) | (389,022)
Taxes and other surcharges | (5,598) | (9,934) | (3,788)
Gross profit | 698,516 | 1,476,241 | 1,241,411
Operating expenses | (551,578) | (471,218) | (194,476)
Other income/(expenses).net | 1,501 | 10,178 | 7,929
(Loss)/income before income tax | 148,439 | 1,015,201 | 1,054,864
Income tax expense | 19,381 | (169,458) | (72,729)
(Loss)/income from discontinued operation, net of income tax | $ 167,820 | $ 845,743 | $ 982,135

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