v3.26.1
Property, Plant and Equipment (Tables)
12 Months Ended
Dec. 31, 2025
Text block [abstract]  
Summary of Property, Plant and Equipment
The carrying amounts of each class of property, plant and equipment were as follows:
 
   
December 31
 
   
2024
    
2025
 
   
NT$
    
NT$
    
US$ (Note 4)
 
Land and land improvements
  $ 17,570,624      $ 18,083,984      $  576,474  
Buildings and improvements
    121,588,485        145,561,338        4,640,145  
Machinery and equipment
    137,430,483        181,115,735        5,773,533  
Other equipment
    3,203,839        3,400,546        108,401  
Construction in progress and machinery under installation
    32,738,040        72,953,441        2,325,580  
 
 
 
    
 
 
    
 
 
 
  $  312,531,471      $  421,115,044      $ 13,424,133  
 
 
 
    
 
 
    
 
 
 
For the year ended December 31, 2023
 
 
  
Land and Land
Improvements
 
 
Buildings and
Improvements
 
 
Machinery and
Equipment
 
 
Other

Equipment
 
 
Construction in
Progress and
Machinery

under
Installation
 
 
Total
 
 
  
NT$
 
 
NT$
 
 
NT$
 
 
NT$
 
 
NT$
 
 
NT$
 
Cost
                 
Balance at January 1, 2023
   $ 13,006,893      $ 172,798,699      $ 473,494,702      $ 14,354,608      $ 18,073,406      $ 691,728,308  
Additions
     424,130        1,866,786        2,308,779        141,158        44,017,796        48,758,649  
Disposals
     (3,436 )       (8,786,519 )       (7,912,516 )       (1,441,685 )       (9,457 )       (18,153,613 ) 
Reclassification
     142,562        16,398,574        24,044,088        992,109        (41,394,745 )       182,588  
Acquisitions through business combinations (Note 29)
     18,049        150,347        1,159,537        136,687        167,477        1,632,097  
Effect of foreign currency exchange differences
     (6,585 )       (594,470 )       (2,395,051 )       (88,219 )       (89,284 )       (3,173,609 ) 
  
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
 
Balance at December 31, 2023
   $   13,581,613      $  181,833,417      $  490,699,539      $   14,094,658      $   20,765,193      $  720,974,420  
  
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
 
Accumulated depreciation and impairment
                 
Balance at January 1, 2023
   $ -      $ 81,175,408      $ 331,365,217      $ 10,953,065      $ -      $ 423,493,690  
Depreciation expense
     17,860        8,896,551        41,403,363        1,481,707        -        51,799,481  
Impairment losses recognized
     -        134,999        10,802        769        -        146,570  
Disposals
     (3,436 )       (8,771,076 )       (7,774,818 )       (1,431,696 )       -        (17,981,026 ) 
Reclassification
     43,725        (35,568 )       7,674        35,200        -        51,031  
Acquisitions through business combinations (Note 29)
     -        24,770        735,808        125,322        -        885,900  
Effect of foreign currency exchange differences
     292        (325,412 )       (1,874,707 )       (92,921 )       -        (2,292,748 ) 
  
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
 
Balance at December 31, 2023
   $ 58,441      $ 81,099,672      $ 363,873,339      $ 11,071,446      $ -      $ 456,102,898  
  
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
 
 
For the year ended December 31, 2024
 
    
Land and Land
Improvements
   
Buildings and
Improvements
   
Machinery and
Equipment
   
Other

Equipment
   
Construction in
Progress and
Machinery

under
Installation
   
Total
 
    
NT$
   
NT$
   
NT$
   
NT$
   
NT$
   
NT$
 
Cost
            
Balance at January 1, 2024
   $   13,581,613     $  181,833,417     $  490,699,539     $   14,094,658     $   20,765,193     $  720,974,420  
Additions
     3,931,878       6,177,957       2,033,804       239,234       83,824,673       96,207,546  
Disposals
     (152,357 )      (3,250,387 )      (10,611,069 )      (1,097,340 )      (5,396 )      (15,116,549 ) 
Reclassification
     4,699       23,003,450       48,348,102       1,084,919       (72,457,183 )      (16,013 ) 
Acquisitions through business combinations (Note 29)
     175,261       1,153,289       7,575,012       660,442       14,817       9,578,821  
Effect of foreign currency exchange differences
     106,652       3,549,566       4,611,503       334,002       595,936       9,197,659  
  
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
 
Balance at December 31, 2024
   $ 17,647,746     $ 212,467,292     $ 542,656,891     $ 15,315,915     $ 32,738,040     $ 820,825,884  
  
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
 
Accumulated depreciation and impairment
            
Balance at January 1, 2024
   $ 58,441     $ 81,099,672     $ 363,873,339     $ 11,071,446     $ -     $ 456,102,898  
Depreciation expense
     17,255       10,126,682       41,930,945       1,425,917       -       53,500,799  
Impairment losses recognized
     -       16,472       32,455       276       84,677       133,880  
Disposals
     -       (2,994,916 )      (10,352,348 )      (1,090,547 )      -       (14,437,811 ) 
Reclassification
     -       14,145       (2,892 )      1,463       (84,677 )      (71,961 ) 
Acquisitions through business combinations (Note 29)
     -       955,951       6,918,742       362,687       -       8,237,380  
Effect of foreign currency exchange differences
     1,426       1,660,801       2,826,167       340,834       -       4,829,228  
  
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
 
Balance at December 31, 2024
   $ 77,122     $ 90,878,807     $ 405,226,408     $ 12,112,076     $ -     $ 508,294,413  
  
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
 
For the year ended December 31, 2025
 
    
Land and Land
Improvements
   
Buildings and
Improvements
   
Machinery and
Equipment
   
Other

Equipment
   
Construction in
Progress and
Machinery

under
Installation
   
Total
 
    
NT$
   
NT$
   
NT$
   
NT$
   
NT$
   
NT$
 
Cost
            
Balance at January 1, 2025
   $ 17,647,746     $ 212,467,292     $ 542,656,891     $ 15,315,915     $ 32,738,040     $ 820,825,884  
Additions
     561,752       330,504       1,536,263       117,456       169,070,554       171,616,529  
Disposals
     (1,256 )      (2,504,027 )      (16,486,897 )      (1,047,070 )      (6,730 )      (20,045,980 ) 
Reclassification
     10,633       34,568,619       92,798,209       1,402,147       (129,020,913 )      (241,305 ) 
Acquisitions through business combinations
     51,200       10,350       19,145       3,673       62,707       147,075  
Effect of foreign currency exchange differences
     (83,543 )      (184,287 )      (1,763,149 )      (135,604 )      109,783       (2,056,800 ) 
  
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
 
Balance at December 31, 2025
   $ 18,186,532     $ 244,688,451     $ 618,760,462     $ 15,656,517     $ 72,953,441     $ 970,245,403  
  
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
 
Accumulated depreciation and impairment
            
Balance at January 1, 2025
   $ 77,122     $ 90,878,807     $ 405,226,408     $ 12,112,076     $ -     $ 508,294,413  
Depreciation expense
     21,328       11,201,721       48,429,031       1,286,600       -       60,938,680  
Impairment losses recognized
     -       100,037       204,622       -       -       304,659  
Disposals
     (1,256 )      (2,310,161 )      (14,631,845 )      (1,046,299 )      -       (17,989,561 ) 
Reclassification
     -       (213,175 )      35,783       1,462       -       (175,930 ) 
Acquisitions through business combinations
     3,880       -       1,595       86       -       5,561  
Effect of foreign currency exchange differences
     1,474       (530,116 )      (1,620,867 )      (97,954 )      -       (2,247,463 ) 
  
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
 
Balance at December 31, 2025
   $  102,548     $  99,127,113     $  437,644,727     $  12,255,971     $           -     $  549,130,359  
  
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
 
    
Land and Land
Improvements
   
Buildings and
Improvements
   
Machinery and
Equipment
   
Other

Equipment
   
Construction in
Progress and
Machinery

under
Installation
   
Total
 
    
US$ (Note 4)
   
US$ (Note 4)
   
US$ (Note 4)
   
US$ (Note 4)
   
US$ (Note 4)
   
US$ (Note 4)
 
Cost
            
Balance at January 1, 2025
   $ 562,568     $ 6,772,945     $ 17,298,594     $ 488,235     $ 1,043,610     $ 26,165,952  
Additions
     17,907       10,536       48,972       3,744       5,389,562       5,470,721  
Disposals
     (40 )      (79,822 )      (525,562 )      (33,378 )      (215 )      (639,017 ) 
Reclassification
     339       1,101,964       2,958,183       44,697       (4,112,876 )      (7,693 ) 
Acquisitions through business combinations
     1,632       330       610       117       1,999       4,688  
Effect of foreign currency exchange differences
     (2,663 )      (5,875 )      (56,205 )      (4,323 )      3,500       (65,566 ) 
  
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
 
Balance at December 31, 2025
   $ 579,743     $ 7,800,078     $ 19,724,592     $ 499,092     $ 2,325,580     $ 30,929,085  
  
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
 
 
    
Land and Land
Improvements
   
Buildings and
Improvements
   
Machinery and
Equipment
   
Other

Equipment
   
Construction in
Progress and
Machinery

under
Installation
   
Total
 
    
US$ (Note 4)
   
US$ (Note 4)
   
US$ (Note 4)
   
US$ (Note 4)
   
US$ (Note 4)
   
US$ (Note 4)
 
Accumulated depreciation and impairment
            
Balance at January 1, 2025
   $        2,458     $    2,896,997     $   12,917,641     $      386,104     $          -     $ 16,203,200  
Depreciation expense
     680       357,084       1,543,801       41,013                 -       1,942,578  
Impairment losses recognized
     -       3,189       6,523       -       -       9,712  
Disposals
     (40 )      (73,642 )      (466,428 )      (33,354 )      -        (573,464 ) 
Reclassification
     -       (6,796 )      1,140       47       -       (5,609 ) 
Acquisitions through business combinations
     124       -       51       3       -       178  
Effect of foreign currency exchange differences
     47       (16,899 )      (51,669 )      (3,122 )     -       (71,643 )
  
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
 
Balance at December 31, 2025
   $ 3,269     $ 3,159,933     $ 13,951,059     $ 390,691     $ -     $   17,504,952  
  
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
 
Summary of Property, Plant and Equipment Useful Lives
Each class of property, plant and equipment was depreciated on a straight-line basis over the following useful lives:
 
Land improvements
     5-30 years  
Buildings and improvements
  
Main plant buildings
     10-55 years  
Cleanrooms
     10-20 years  
Others
     3-24 years  
Machinery and equipment
     2-20 years  
Other equipment
     2-25 years