| Schedule of Property, Plant and Equipment, Net |
| | | As at December 31, | | | | | 2016 | | 2017 | | 2017 | | | | | RMB | | RMB | | US$ | | | Buildings | | | 227,196 | | | 230,273 | | | 35,392 | | | Medical equipment | | | 899,281 | | | 668,169 | | | 102,696 | | | Electronic and office equipment | | | 15,804 | | | 16,864 | | | 2,592 | | | Motor vehicles | | | 2,621 | | | 2,361 | | | 363 | | | Leasehold improvement and building improvements | | | 7,277 | | | 14,771 | | | 2,270 | | | Construction in progress | | | 122,635 | | | 329,259 | | | 50,606 | | | Total | | | 1,274,814 | | | 1,261,697 | | | 193,919 | | | Less: accumulated depreciation | | | (432,884) | | | (407,964) | | | (62,703) | | | | | | 841,930 | | | 853,733 | | | 131,216 | | | Impairment charges | | | (66,592) | | | (60,162) | | | (9,246) | | | | | | 775,338 | | | 793,571 | | | 121,970 | |
|