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Segment Information and Revenue Analysis (Details) - Schedule of revenues by domestic and overseas - USD ($)
 12 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2019
Segment Information and Revenue Analysis (Details) - Schedule of revenues by domestic and overseas [Line Items]      
Revenues $ 126,061,693 $ 89,415,798 $ 64,932,937
Mainland China [Member]      
Segment Information and Revenue Analysis (Details) - Schedule of revenues by domestic and overseas [Line Items]      
Revenues 112,511,341 78,840,635 60,398,820
Singapore [Member]      
Segment Information and Revenue Analysis (Details) - Schedule of revenues by domestic and overseas [Line Items]      
Revenues 9,613,026 7,369,345 2,525,489
Hong Kong [Member]      
Segment Information and Revenue Analysis (Details) - Schedule of revenues by domestic and overseas [Line Items]      
Revenues 3,728,039 3,071,857 1,961,763
Malaysia [Member]      
Segment Information and Revenue Analysis (Details) - Schedule of revenues by domestic and overseas [Line Items]      
Revenues 148,128 125,748
United States [Member]      
Segment Information and Revenue Analysis (Details) - Schedule of revenues by domestic and overseas [Line Items]      
Revenues 34,740
Japan [Member]      
Segment Information and Revenue Analysis (Details) - Schedule of revenues by domestic and overseas [Line Items]      
Revenues 26,419 5,394
Australia [Member]      
Segment Information and Revenue Analysis (Details) - Schedule of revenues by domestic and overseas [Line Items]      
Revenues 2,167 46,865
India [Member]      
Segment Information and Revenue Analysis (Details) - Schedule of revenues by domestic and overseas [Line Items]      
Revenues $ 652