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CONSTRUCTION-IN-PROGRESS (Tables)
 12 Months Ended
Dec. 31, 2021
CONSTRUCTION-IN-PROGRESS [abstract]  
Schedule of construction-in-progress
     2020      2021  
     RMB’000      RMB’000  
At 1 January
      2,378,974        2,778,676  
Transfer in from fixed assets for improvement/modifications (Note 6)
      685,128        1,903,874  
Other additions
      1,596,875        954,780  
Transfer to fixed assets (Note 6)
      (780,501 )       (1,741,933 ) 
Transfer out to fixed assets after improvement/modifications (Note 6)
      (1,101,800 )       (2,306,462 ) 
    
 
 
     
 
 
  
At 31 December
      2,778,676        1,588,935