v3.25.2
Research and Development Expenses
6 Months Ended
Jun. 30, 2025
Research and Development Expenses  
Research and Development Expenses

17.  Research and Development Expenses

Research and development expenses consist of the following:

Six Months Ended June 30, 

    

2024

    

2025

(Unaudited)

(Unaudited)

Employee compensation

4,381,577

4,460,650

Design and development expenses

889,129

1,077,819

Depreciation and amortization expenses

511,915

378,246

Rental and related expenses

127,605

130,076

Travel and entertainment expenses

36,671

34,746

Others

135,841

106,898

Total

6,082,738

6,188,435