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Taxes (Tables)
12 Months Ended
Jul. 31, 2021
Income Tax Disclosure [Abstract]  
Schedule of reconciliation of statutory rate to effective tax rate
   For the years ended July 31, 
   2021   2020   2019 
   %   %   % 
China income tax rate   25.0    25.0    25.0 
Rate differential   (24.7)   (10.0)   15.8 
Permanent difference on non-deductible expenses   0.0    0.0    0.1 
Utilization of the Net Operating Loss (“NOL”) from prior years   1.3    0.0    (1.7)
Change in valuation allowance   (1.6)   (15.0)   0.00
Effective tax rate   0.0    0.0    39.2 

 

Schedule of income tax expenses
   For the years ended July 31, 
   2021   2020   2019 
Current income tax provision            
BVI  $
          -
   $
       -
   $
-
 
Hong Kong   
-
    
-
    
-
 
China   
-
    
-
    276,823 
Subtotal   
-
    
-
    276,823 
                
Deferred income tax provision               
BVI   
-
    
-
    
-
 
Hong Kong   
-
    
-
    
-
 
China   
-
    
-
    
-
 
Total income tax provision  $
-
   $
-
   $276,823 

 

Schedule of components of company's deferred tax assets
   As of July 31, 
   2021   2020 
Deferred tax assets:        
Allowance for doubtful account  $105,059   $212,010 
Net operating loss carry forwards   664,208    746,024 
Deferred tax assets before valuation allowance   769,267    958,034 
Less: valuation allowance   (769,267)   (958,034)
Net deferred tax assets  $
-
   $
-
 

 

Schedule of taxes payable
   As of July 31, 
   2021   2020 
         
Value added tax payable  $18,104   $73,031 
Income tax payable   39,253    584,503 
Other taxes payable   660    2,582 
Total taxes payable  $58,017   $660,116