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Unaudited Condensed Consolidated Statements of Changes in Equity - USD ($)
Ordinary Share
Additional Paid in Capital
Statutory Reserves
Accumulated deficit
Accumulated Other Comprehensive Loss
Noncontrolling interests
Total
Balance at Jul. 31, 2021 $ 9,161 $ 31,428,619 $ 355,912 $ (22,055,433) $ (175,220) $ 120,809 $ 9,683,848
Balance (in Shares) at Jul. 31, 2021 9,161,390            
Issuance of ordinary shares pursuant to exercise of warrants $ 390 1,067,807 1,068,197
Issuance of ordinary shares pursuant to exercise of warrants (in Shares) 389,855            
Withdrawal of capital from a subsidiary (1,000,000) (1,000,000)
Net Income (Loss) (1,081,792) 182,267 (899,525)
Foreign currency translation adjustment (11,387) (11,387)
Balance at Oct. 31, 2021 $ 9,551 31,496,426 355,912 (23,137,225) (186,607) 303,076 8,841,133
Balance (in Shares) at Oct. 31, 2021 9,551,245            
Balance at Jul. 31, 2022 $ 9,627 29,496,350 355,912 (25,140,237)   (369,045) 4,352,607
Balance (in Shares) at Jul. 31, 2022 9,627,452            
Disposal of a subsidiary (300,000) 369,045 69,045
Net Income (Loss) (112,515) (112,515)
Balance at Oct. 31, 2022 $ 9,627 $ 29,196,350 $ 355,912 $ (25,252,752) $ 4,309,137
Balance (in Shares) at Oct. 31, 2022 9,627,452