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Inventories (Tables) | 12 Months Ended
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Dec. 31, 2019
Text block [abstract] |
Summary of Inventories |
|  | December 31
|  | 2018 |  | 2019
|  | NT$ |  | NT$ |  | US$ (Note 4)
Finished goods |  | $ | 7,680,083 |  |  | $ | 7,174,716 |  |  | $ | 239,877 |
Work in process |  |  | 3,195,478 |  |  |  | 2,952,182 |  |  |  | 98,702 |
Raw materials |  |  | 23,250,801 |  |  |  | 20,996,346 |  |  |  | 701,984 |
Supplies |  |  | 1,892,194 |  |  |  | 2,229,576 |  |  |  | 74,543 |
Raw materials and supplies in transit |  |  | 608,895 |  |  |  | 530,930 |  |  |  | 17,751 |
|  | $ | 36,627,451 |  |  | $ | 33,883,750 |  |  | $ | 1,132,857 |

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