| 25. | Other Income and Expenses |
| For the Years Ended December 31, | ||||||||||||
| 2015 | 2016 | 2017 | ||||||||||
| NT$ | NT$ | NT$ | ||||||||||
|
Loss on damages and claims |
(374,613 | ) | (298,778 | ) | (120,744 | ) | ||||||
|
Gains on disposal of property, plant and equipment and other assets |
31,293 | 32,615 | 150,579 | |||||||||
|
Gains on disposal of non-current assets held for sales |
— | — | 19,402 | |||||||||
|
Impairment loss on property, plant and equipment |
(64,996 | ) | (91,247 | ) | (88,231 | ) | ||||||
|
Others |
152,499 | 240,404 | 166,040 | |||||||||
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| (255,817 | ) | (117,006 | ) | 127,046 | ||||||||
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