v3.26.1
PROPERTY, EQUIPMENT AND SOFTWARE, NET (Tables)
12 Months Ended
Dec. 31, 2025
PROPERTY, EQUIPMENT AND SOFTWARE, NET  
Summary of property, equipment and software

As of December 31, 

  ​ ​ ​

2024

  ​ ​ ​

2025

US$

US$

Machinery and laboratory equipment

5,116,503

 

5,232,597

Leasehold improvements

1,030,798

 

1,054,204

Electronic equipment

1,793,132

 

1,818,366

Furniture and tools

49,085

 

50,035

Vehicles

77,767

 

43,635

Software

358,952

 

364,586

Total property, equipment and software

8,426,237

 

8,563,423

Less: accumulated depreciation and amortization

(7,300,848)

 

(7,846,049)

Net book value

1,125,389

 

717,374