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7. Prepayments and other current assets (Tables)
 12 Months Ended
Dec. 31, 2012
Cost and estimated earnings in excess of billings

 

    2012     2011  
    US$’000     US$’000  
             
Contracts costs incurred plus estimated earnings     3,785       8,604  
Less: Progress billings     (3,684 )     (8,098 )
Cost and estimated earnings in excess of billings     101       506  
ZHEJIANG
  
Cost and estimated earnings in excess of billings
    2012     2011  
    RMB’000     RMB’000  
             
Contracts costs incurred plus estimated earnings     198,706       117,105  
Less: Progress billings     (98,957 )     (53,574 )
                 
Cost and estimated earnings in excess of billings     99,749       63,531