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Taxes (Details)
3 Months Ended 9 Months Ended
Jul. 31, 2023
Apr. 30, 2023
USD ($)
Jul. 31, 2022
Jul. 31, 2023
Apr. 30, 2023
USD ($)
Apr. 30, 2023
CNY (¥)
Jul. 31, 2022
Taxes (Details) [Line Items]              
Income tax rate         25.00% 25.00%  
State tax rate         8.84% 8.84%  
Income tax expenses (in Dollars) | $   $ 8,099     $ 575,056    
Percentage of valuation allowance provided   100.00%     100.00% 100.00%  
Tax benefit percentage         50.00% 50.00%  
Limitation of tax (in Yuan Renminbi) | ¥           ¥ 100,000  
HONG KONG              
Taxes (Details) [Line Items]              
Statutory income tax rate     16.50%       16.50%
China [Member]              
Taxes (Details) [Line Items]              
Income tax rate         10.00% 10.00%  
USA [Member]              
Taxes (Details) [Line Items]              
Statutory income tax rate         21.00% 21.00%  
Subsequent Event [Member] | HONG KONG              
Taxes (Details) [Line Items]              
Statutory income tax rate 16.50%     16.50%