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Depreciation, amortization, shipping and handling expenses (Tables) | 12 Months Ended
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Dec. 31, 2023
Text block [abstract] |
Summary of Depreciation and Amortization |
7.1 | (a)  Depreciation and amortization expenses
|  | 31.12.2021 |  |  | 31.12.2022 |  |  | 31.12.2023 |  |  | 31.12.2023 |
|  | RMB’000 |  |  | RMB’000 |  |  | RMB’000 |  |  | US$’000 |
Amortization of intangible assets |  |  | 38,957 |  |  |  | 64,939 |  |  |  | 109,913 |  |  |  | 15,473 |
Depreciation of investment property |  |  | 355 |  |  |  | 348 |  |  |  | 355 |  |  |  | 50 |
Depreciation of property, plant and equipment |  |  | 492,826 |  |  |  | 516,276 |  |  |  | 508,726 |  |  |  | 71,615 |
Depreciation of right-of-use assets |  |  | 41,458 |  |  |  | 43,129 |  |  |  | 46,071 |  |  |  | 6,486 |
|  |  | 573,596 |  |  |  | 624,692 |  |  |  | 665,065 |  |  |  | 93,624 |
Summary of Sales Related Shipping and Handling Expenses Not Separately Billed to Customers | Sales related shipping and handling expenses not separately billed to customers are included in the following caption:
|  | 31.12.2021 |  |  | 31.12.2022 |  |  | 31.12.2023 |  |  | 31.12.2023 |
|  | RMB’000 |  |  | RMB’000 |  |  | RMB’000 |  |  | US$’000 |
Cost of sales |  |  | 194,022 |  |  |  | 132,117 |  |  |  | 129,954 |  |  |  | 18,294 |
Selling, general and administrative expenses |  |  | 30,270 |  |  |  | 18,544 |  |  |  | 21,019 |  |  |  | 2,959 |
|  |  | 224,292 |  |  |  | 150,661 |  |  |  | 150,973 |  |  |  | 21,253 |
Summary of Other Operating Income |
7.2 | (a)  Other operating income
|  | 31.12.2021 |  |  | 31.12.2022 |  |  | 31.12.2023 |  |  | 31.12.2023 |
|  | RMB’000 |  |  | RMB’000 |  |  | RMB’000 |  |  | US$’000 |
Interest income |  |  | 132,083 |  |  |  | 131,879 |  |  |  | 154,129 |  |  |  | 21,697 |
Dividend income from quoted equity securities |  |  | 168 |  |  |  | 13 |  |  |  | — |  |  |  | — |
Gain on disposal of: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
- associate |  |  | — |  |  |  | 1,329 |  |  |  | — |  |  |  | — |
- property, plant and equipment |  |  | 1,224 |  |  |  | 6,535 |  |  |  | 778 |  |  |  | 110 |
- quoted equity securities |  |  | 5,416 |  |  |  | 2,291 |  |  |  | — |  |  |  | — |
- right-of-use assets |  |  | 14,714 |  |  |  | 3,929 |  |  |  | 7,632 |  |  |  | 1,074 |
- a subsidiary |  |  | — |  |  |  | — |  |  |  | 113,042 |  |  |  | 15,913 |
Recognition of net gain upon fulfillment of performance obligation relating to capitalized contract asset |  |  | — |  |  |  | — |  |  |  | 11,696 |  |  |  | 1,646 |
Government grants |  |  | 152,932 |  |  |  | 176,264 |  |  |  | 171,937 |  |  |  | 24,204 |
Fair value gain on quoted equity securities |  |  | 138 |  |  |  | — |  |  |  | — |  |  |  | — |
Others |  |  | 19,496 |  |  |  | 12,109 |  |  |  | 10,086 |  |  |  | 1,421 |
|  |  | 326,171 |  |  |  | 334,349 |  |  |  | 469,300 |  |  |  | 66,065 |
Summary of Other Operating Expenses |
7.2 | (b) Other operating expenses
|  | 31.12.2021 |  |  | 31.12.2022 |  |  | 31.12.2023 |  |  | 31.12.2023 |
|  | RMB’000 |  |  | RMB’000 |  |  | RMB’000 |  |  | US$’000 |
Impairment loss on investment in joint venture |  |  | — |  |  |  | 990 |  |  |  | — |  |  |  | — |
Impairment on property, plant and equipment |  |  | — |  |  |  | — |  |  |  | 36,720 |  |  |  | 5,169 |
Reversal of provision for onerous contract, net |  |  | (8,810 | ) |  |  | (4,829 | ) |  |  | — |  |  |  | — |
Foreign exchange loss, net |  |  | 1,739 |  |  |  | 555 |  |  |  | 482 |  |  |  | 68 |
Written off/(write-back) of unrecoverable value-added tax |  |  | 11,164 |  |  |  | — |  |  |  | (11,164 | ) |  |  | (1,572 | )
Others |  |  | 5,889 |  |  |  | 877 |  |  |  | 900 |  |  |  | 127 |
|  |  | 9,982 |  |  |  | (2,407 | ) |  |  | 26,938 |  |  |  | 3,792 |
Summary of Finance Costs |
7.3 | Finance costs
|  | 31.12.2021 |  |  | 31.12.2022 |  |  | 31.12.2023 |  |  | 31.12.2023 |
|  | RMB’000 |  |  | RMB’000 |  |  | RMB’000 |  |  | US$’000 |
Bank term loans |  |  | 82,109 |  |  |  | 65,440 |  |  |  | 59,672 |  |  |  | 8,400 |
Bills and other discounting |  |  | 27,864 |  |  |  | 23,922 |  |  |  | 33,946 |  |  |  | 4,779 |
Bank charges |  |  | 4,136 |  |  |  | 4,563 |  |  |  | 4,588 |  |  |  | 646 |
Interest on lease liabilities (Note 17) |  |  | 1,819 |  |  |  | 1,547 |  |  |  | 1,969 |  |  |  | 277 |
|  |  | 115,928 |  |  |  | 95,472 |  |  |  | 100,175 |  |  |  | 14,102 |
Summary of Staff Costs |
7.4 | Staff costs
|  | 31.12.2021 |  |  | 31.12.2022 |  |  | 31.12.2023 |  |  | 31.12.2023 |
|  | RMB’000 |  |  | RMB’000 |  |  | RMB’000 |  |  | US$’000 |
Wages and salaries |  |  | 1,338,777 |  |  |  | 928,350 |  |  |  | 1,193,214 |  |  |  | 167,973 |
Contribution to defined contribution plans |  |  | 386,551 |  |  |  | 371,458 |  |  |  | 354,014 |  |  |  | 49,836 |
Executive bonuses |  |  | 19,355 |  |  |  | 16,500 |  |  |  | 24,200 |  |  |  | 3,407 |
Staff welfare |  |  | 93,992 |  |  |  | 79,206 |  |  |  | 74,727 |  |  |  | 10,520 |
Staff severance cost |  |  | 11,771 |  |  |  | 19,531 |  |  |  | 35,547 |  |  |  | 5,004 |
Others |  |  | 4,887 |  |  |  | 3,875 |  |  |  | 3,542 |  |  |  | 499 |
|  |  | 1,855,333 |  |  |  | 1,418,920 |  |  |  | 1,685,244 |  |  |  | 237,239 |

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