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Inventories (Tables) | 12 Months Ended
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Dec. 31, 2020
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Summary of Inventories |
|  | 31.12.2019 |  |  | 31.12.2020 |  |  | 31.12.2020 |
|  | RMB’000 |  |  | RMB’000 |  |  | US$’000 |
Raw materials |  |  | 1,500,034 |  |  |  | 1,940,119 |  |  |  | 299,804 |
Work in progress |  |  | 35,688 |  |  |  | 33,211 |  |  |  | 5,132 |
Finished goods |  |  | 1,288,415 |  |  |  | 2,497,865 |  |  |  | 385,991 |
Total inventories at the lower of cost and net realizable value |  |  | 2,824,137 |  |  |  | 4,471,195 |  |  |  | 690,927 |
Analysis of Inventory Reserve Accounts |
|  | 31.12.2018 |  |  | 31.12.2019 |  |  | 31.12.2020 |  |  | 31.12.2020 |
|  | RMB’000 |  |  | RMB’000 |  |  | RMB’000 |  |  | US$’000 |
Inventories recognized as an expense in cost of sales |  |  | 11,471,988 |  |  |  | 13,167,181 |  |  |  | 15,501,807 |  |  |  | 2,395,470 |
Inclusive of the following charge/(credit): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
- Inventories written down |  |  | 25,194 |  |  |  | 31,810 |  |  |  | 82,386 |  |  |  | 12,731 |
- Reversal of write-down of inventories |  |  | (33,662 | ) |  |  | (14,788 | ) |  |  | (54,408 | ) |  |  | (8,408 | )

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