An analysis of the impairment of trade receivables is as follows:
| 31.12.2016 | 31.12.2017 | 31.12.2017 | ||||||||||
| RMB’000 | RMB’000 | US$’000 | ||||||||||
|
At January 1 |
51,288 | 54,634 | 8,632 | |||||||||
|
Charge/(credit) to consolidated statement of profit or loss |
3,696 | (10,854 | ) | (1,715 | ) | |||||||
|
Written off |
(346 | ) | (5 | ) | (1 | ) | ||||||
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Translation differences |
(4 | ) | — | — | ||||||||
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At December 31 |
54,634 | 43,775 | 6,916 | |||||||||
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