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

 
Schedule of revenues by service lines
   For the years ended June 30, 
   2021   2020   2019 
IT consulting service  $122,273,395   $87,136,754   $61,755,355 
Customized IT solution service   3,130,646    1,844,892    3,041,482 
Other   657,652    434,152    136,100 
Total  $126,061,693   $89,415,798   $64,932,937