v3.25.1
Intangible Assets, Net
3 Months Ended
Mar. 31, 2025
Intangible Assets, Net [Abstract]  
Intangible Assets, net
11. Intangible Assets, net

 

Intangible assets as of December 31, 2024 and March 31, 2025 consisted of the followings:

 

   December 31,
2024
   March 31,
2025
 
Computer software at cost  $169,054   $169,959 
Sewage discharge permit   1,667,907    1,676,820 
    1,836,961    1,846,779 
Accumulated amortization   (1,453,999)   (1,578,381)
   $382,962   $268,398 

 

Amortization expenses were $117,845 and $116,117 for the three months ended March 31, 2024 and 2025, respectively.

 

Total future amortization expenses for finite-lived intangible assets were estimated as follows:

 

Remainder of 2025  $199,149 
2026   16,277 
2027   10,469 
2028   8,907 
2029   8,512 
Thereafter   25,084 
Total  $268,398 

 

No impairment loss was made to the carrying amounts of the intangible assets for the three months ended March 31, 2024 and 2025.