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Income Taxes (Tables)
12 Months Ended
Sep. 30, 2021
Income Tax Disclosure [Abstract]  
Schedule of consolidated statements of income and comprehensive income of reconciliation for income taxes
   2021   2020   2019 
Income before taxes  $2,468,045   $3,575,248   $6,446,944 
PRC EIT tax rates   15%   15%   15%
Tax at the PRC EIT tax rates  $370,207    536,287    967,042 
Tax effect of R&D expenses deduction   (231,474)   (238,573)   (199,925)
Tax effect of non-taxable investment income and government grant   (138,733)   (120,754)   (72,160)
Tax effect of non-deductible expenses   
-
    41,989    310,233 
Tax effect of deferred tax recognized   (89,000)   
-
    
-
 
Income tax expenses (benefits)  $(89,000)  $218,949   $1,005,190 

 

Schedule of attributed continuing operations
   2021   2020   2019 
Current income tax  $
-
   $218,949   $709,027 
Deferred income tax   (89,000)   
-
    296,163 
Total income tax expense  $(89,000)  $218,949   $1,005,190 

 

Schedule of tax effects of significant portions of the deferred tax asset
   As of September 30, 
   2021   2020 
Deferred tax assets:        
Bad debt allowance  $436,761   $436,583 
Loss carryforward   113,160    
-
 
Total  $549,921   $436,583