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Intangible Assets, Net
 9 Months Ended
Sep. 30, 2024
Intangible Assets, Net [Abstract]  
Intangible Assets, net
11.Intangible Assets, net

 

Intangible assets as of December 31, 2023 and September 30, 2024 consisted of the followings:

 

   December 31,
2023		   September 30,
2024		 
Computer software at cost  $139,732   $158,831 
Sewage discharge permit   1,715,450    1,734,761 
    1,855,182    1,893,592 
Accumulated amortization   (1,013,822)   (1,386,479)
   $841,360   $507,113 

 

Amortization expenses were $133,450 and $118,987 for the three months ended September 30, 2023 and 2024, respectively.

 

Amortization expenses were $374,110 and $352,481 for the nine months ended September 30, 2023 and 2024, respectively.

 

Total future amortization expenses for finite-lived intangible assets as of September 30, 2024 were estimated as follows:

 

Remainder of 2024  $120,482 
2025   326,168 
2026   14,986 
2027   9,653 
2028   8,037 
Thereafter   27,787 
Total  $507,113