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CONCENTRATIONS, RISKS AND UNCERTAINTIES (Details Narrative) - USD ($)
12 Months Ended
May 31, 2022
May 31, 2021
Concentration Risk [Line Items]    
Customer purchases amount $ 603,000 $ 753,000
Three Customer [Member] | Revenue Benchmark [Member] | Customer Concentration Risk [Member]    
Concentration Risk [Line Items]    
Concentration risk percentage 76.00%  
Four Customer [Member] | Revenue Benchmark [Member] | Customer Concentration Risk [Member]    
Concentration Risk [Line Items]    
Concentration risk percentage   83.00%