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v3.25.1

Supplemental cash flow information (Tables) | 12 Months Ended
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Dec. 31, 2024
Statement of cash flows [abstract] |
Partial Cash Paid for Investing Activities | Property, plant and equipment
|  | Year ended December 31,
|  | 2022 |  | 2023 |  | 2024
|  | NT$000 |  | NT$000 |  | NT$000
Purchase of property, plant and equipment |  | 4,918,482 |  | 3,228,471 |  | 5,451,431
Add: Beginning balance of payable to equipment suppliers |  | 1,816,555 |  | 1,405,931 |  | 1,196,181
Add: Beginning balance of payable to equipment suppliers – related parties |  | — |  | — |  | 58,549
Less: Ending balance of payable to equipment suppliers |  | (1,405,931) |  | (1,196,181) |  | (1,506,821)
Less: Ending balance of payable to equipment suppliers – related parties |  | — |  | (58,549) |  | (21,473)
Less: Transfer from other non-current assets |  | (629,737) |  | (305,791) |  | (96,713)
Cash paid during the year |  | 4,699,369 |  | 3,073,881 |  | 5,081,154

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