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Borrowings (Tables) | 12 Months Ended
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Dec. 31, 2024
Short Term Bank Loans [member] |
Statement [LineItems] |
Summary of Borrowings |
| a. | Short-term borrowings
1) Bank loans Mainly represented revolving loans and bank overdrafts.
|  | $ |  |  |  | $ |  |  |  | $ |  |
|  | December 31 |
|  | 2023 |  |  | 2024 |
|  | NT$ |  |  | NT$ |  |  | US$ (Note 4) |
Secured bank loans, annual interest rates were 4.80%-5.40% and 3.81%-4.16% as of December 31, 2023 and 2024, respectively |  | $ | 354,064 |  |  | $ | 279,797 |  |  | $ | 8,533 |
|  | December 31 |
|  | 2023 |  |  | 2024 |
|  | NT$ |  |  | NT$ |  |  | US$ (Note 4) |
Unsecured bank loans, annual interest rates were 1.55%-7.57% and 1.75%-6.96% as of December 31, 2023 and 2024, respectively |  | $ | 49,900,124 |  |  | $ | 47,165,065 |  |  | $ | 1,438,398 |
|  |  | 50,254,188 |  |  |  | 47,444,862 |  |  |  | 1,446,931 |
Less: financial liabilities for hedging - current (Note 34) |  |  | 12,516,971 |  |  |  | 12,456,104 |  |  |  | 379,875 |
|  | $ | 37,737,217 |  |  | $ | 34,988,758 |  |  | $ | 1,067,056 |
Short Term Bills Payable [Member] |
Statement [LineItems] |
Summary of Borrowings | 2) Short-term bills payable
|  | December 31, 2023 |
|  | NT$ |
Commercial papers |  | $ | 2,790,000 |
Less: Unamortized discounts |  |  | 2,660 |
|  | $ | 2,787,340 |
Annual interest rate (%) |  |  | 1.53-1.54 |
Long Term Bank Loans [member] |
Statement [LineItems] |
Summary of Borrowings |
| b. | Long-term borrowings
|  | December 31 |
|  | 2023 |  |  | 2024 |
|  | NT$ |  |  | NT$ |  |  | US$ (Note 4) |
1) Revolving bank loans |  |  |  |  |  |  |  |  |  |  |  |
Others - repayable through January 2025 to September 2029, annual interest rates were 1.43%-5.91% and 1.62%-5.33% as of December 31, 2023 and 2024, respectively |  | $ | 77,318,195 |  |  | $ | 117,177,156 |  |  | $ | 3,573,564 |
2) Mortgage loans (Note 36) |  |  |  |  |  |  |  |  |  |  |  |
Repayable through January 2025 to November 2039, annual interest rates were 2.95%-3.65% and 2.40%-3.45% as of December 31, 2023 and 2024, respectively |  |  | 8,142,508 |  |  |  | 8,457,942 |  |  |  | 257,942 |
|  |  | 85,460,703 |  |  |  | 125,635,098 |  |  |  | 3,831,506 |
Less: current portion |  |  | 4,096,255 |  |  |  | 3,884,906 |  |  |  | 118,478 |
|  | $ | 81,364,448 |  |  | $ | 121,750,192 |  |  | $ | 3,713,028 |

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