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Bank Borrowings (Tables)
12 Months Ended
Dec. 31, 2022
Disclosure of detailed information about borrowings [abstract]  
Summary of currency analysis of bank borrowings
A currency analysis of bank borrowings at the end of the reporting periods is as follows:
 
 
  
As of December 31,
 
 
  
2021
 
  
2022
 
 
  
HK$
 
  
HK$
 
Hong Kong dollars
     116,000,000        —    
United States dollars
     272,870,500        156,309,551  
Euro
     —          4,169,550  
    
 
 
    
 
 
 
       388,870,500        160,479,101