| 32 | Inventories |
| 2017 | 2016 | |||||||
| RMB million | RMB million | |||||||
|
Consumable spare parts and maintenance materials |
1,638 | 1,534 | ||||||
|
Other supplies |
210 | 198 | ||||||
|
|
|
|
|
|||||
| 1,848 | 1,732 | |||||||
|
Less: impairment |
(226 | ) | (144 | ) | ||||
|
|
|
|
|
|||||
| 1,622 | 1,588 | |||||||
|
|
|
|
|
|||||
Impairment of inventory is shown as below:
| 2017 | 2016 | |||||||
| RMB million | RMB million | |||||||
|
At January 1 |
144 | 110 | ||||||
|
Provision for impairment of inventories |
110 | 44 | ||||||
|
Provision written off in relation to disposal of inventories |
(28 | ) | (10 | ) | ||||
|
|
|
|
|
|||||
|
At December 31 |
226 | 144 | ||||||
|
|
|
|
|
|||||