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TRADING SECURITIES (Tables)
 12 Months Ended
Dec. 31, 2021
TRADING SECURITIES [Abstract]  
Components of Trading Securities
The components of trading securities were as follows:

   
December 31,
  
 
  
2021
    
2020
  
Trading securities listed in Shanghai Stock Exchange
            
Cost
  
$
15,363
    
$
15,020
  
Market value
  
$
29,498
    
$
28,239