| 10 | Expense by nature |
| 2015 RMB’000 |
2016 RMB’000 |
2017 RMB’000 |
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| Cost of raw material |
41,483,278 | 31,922,984 | 42,075,096 | |||||||||
| Cost of trading products |
13,573,180 | 20,423,854 | 23,531,983 | |||||||||
| Employee benefit expenses (Note 11) |
2,595,646 | 2,487,534 | 2,752,996 | |||||||||
| Depreciation and amortisation (Note 14, 15,16) |
2,044,961 | 1,882,260 | 1,834,129 | |||||||||
| Repairs and maintenance expenses |
978,845 | 1,192,203 | 1,136,379 | |||||||||
| Transportation costs |
337,454 | 323,678 | 306,654 | |||||||||
| Impairment loss (Note 15, 21) |
50,757 | 254,172 | 118,245 | |||||||||
| Sales commissions (Note 30) |
112,245 | 100,221 | 116,616 | |||||||||
| Inventory write-down (Note 20) |
44,868 | 76,268 | 60,461 | |||||||||
| Leasing expenses |
23,477 | 73,852 | 79,438 | |||||||||
| Auditors’ remuneration - audit services |
7,800 | 7,800 | 7,800 | |||||||||
| Change of goods in process and finished goods |
855,692 | (731,944 | ) | (58,784 | ) | |||||||
| Other expenses |
1,249,762 | 1,264,879 | 972,534 | |||||||||
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| Total cost of sales, selling and administrative expenses |
63,357,965 | 59,277,761 | 72,933,547 | |||||||||
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