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

 
 
March 31,
2021
   
December 31,
2020
 
Trading securities listed in Shanghai Stock Exchange
           
Cost
 
$
14,912
   
$
15,020
 
 
               
Market value
 
$
27,003
   
$
28,239