v3.26.1
Intangible Assets, Net (Tables)
3 Months Ended
Mar. 31, 2026
Intangible Assets, Net [Abstract]  
Schedule of Intangible Assets

Intangible assets as of December 31, 2025 and March 31, 2026 consisted of the followings:

 

    December 31,
2025
    March 31,
2026
 
Computer software at cost   $ 175,861     $ 178,506  
Sewage discharge permit     1,735,057       1,761,160  
      1,910,918       1,939,666  
Accumulated amortization     (1,839,264 )     (1,871,357 )
    $ 71,654     $ 68,309  
Schedule of Future Amortization Expenses for Finite-Lived Intangible Assets

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

 

Remainder of 2026   $ 12,673  
2027     10,996  
2028     9,355  
2029     8,941  
2030     8,941  
Thereafter     17,403  
Total   $ 68,309