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FINANCE INCOME AND COSTS (Tables)
 12 Months Ended
Dec. 31, 2022
Finance Income And Costs  
Schedule of finance income and costs
                
   CNY   CNY   CNY   US$ 
   Year Ended December 31, 
   2020   2021   2022   2022 
                 
                 
Finance income                    
   Interest income on loans to related parties/ a third party   6,455    6,780    6,792    985 
Interest income on revenue contracts with significant financing component   3,161    2,313    2,104    305 
Interest income from service concession arrangement   4,977    7,264    6,620    960 
   Interest income on structured deposits   660    328    —      —   
   Interest income on bank deposit   215    250    91    13 
Finance income    15,468    16,935    15,607    2,263 
                     
Finance costs                    
   Interest expenses on loans   4,028    4,035    3,882    563 
   Interest expense on lease liabilities   80    150    133    19 
   Other finance costs*   292    231    (620)   (90)
Less: interest expense capitalized into
intangible assets-concession right**		   (651)   (57)   —      —   
Finance costs    3,749    4,359    3,395    492 

 

*Finance costs from operations mainly represented bank charges and foreign currency exchange differences. The amounts of bank charges were CNY37, CNY38 and CNY42 (US$6) and the foreign currency exchange losses/(gains) amounted to CNY255, CNY193 and CNY (662) (US$(96)) for the years ended December 31, 2020, 2021 and 2022, respectively.

 

**The borrowing costs have been capitalized at a rate of 5.05% per annum during the years ended December 31, 2020 and 2021.