v3.26.1
Income Taxes - Schedule of Total Income Tax Expense (Details) - USD ($)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Schedule of Total Income Tax Expense [Abstract]      
Income before income tax provision $ 9,405,556 $ 13,626,131 $ 15,048,773
Tax at the PRC EIT tax rates 2,351,387 3,406,532 3,762,193
International tax rate difference 83,774
Effect of preferential tax (455,040) (574,656) (554,322)
Tax effect of R&D expenses additional deduction [1] (466,818) (864,025) (688,329)
Tax effect of non-deductible expenses 207,704 485,798 451,154
Change in valuation allowance 902,723 335,175 487,037
Income tax expense $ 2,623,730 $ 2,788,824 $ 3,457,733
[1] According to PRC tax regulations, an additional of 100% of current year R&D expenses may be deducted from tax income.