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Provision for product warranty (Tables)
12 Months Ended
Dec. 31, 2018
Text block [abstract]  
Summary of Provision for Product Warranty
     31.12.2017      31.12.2018      31.12.2018  
     RMB’000      RMB’000      US$’000  
     (Restated)                

At January 1

     169,006        191,814        28,671  

Provision made

     249,517        224,582        33,569  

Provision utilized

     (226,709      (249,483      (37,291
  

 

 

    

 

 

    

 

 

 

At December 31

     191,814        166,913        24,949