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CONTRACT LIABILITIES (Tables)
12 Months Ended
Dec. 31, 2019
CONTRACT LIABILITIES  
Schedule of breakdown of contract liabilities, current

 

 

 

 

 

 

    

2018

    

2019

Prepaid pulse reload vouchers

 

4,413

 

5,250

Material rights for contract renewal

 

65

 

76

Others

 

774

 

2,104

Total

 

5,252

 

7,430

 

Schedule of breakdown of contract liabilities, non-current

 

 

 

 

 

 

    

2018

    

2019

IRU

 

258

 

327

Material rights for contract renewal

 

394

 

391

Others

 

 —

 

87

Total

 

652

 

805