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Taxes (Details Narrative) - USD ($)
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Operating Loss Carryforwards [Line Items]      
Income tax savings $ 418,443 $ 100,305 $ 466,048
Income tax expense $ 462,043 $ 1,403,880 $ 1,152,963
Effective tax rate 24.80% 16.70% 18.00%
Allowance on deferred tax assets $ 404,920 $ 334,805  
Allowance on deferred tax assets 1,354,590 400,704  
Uncertain tax positions 0 0  
P R C Subsidiaries [Member]      
Operating Loss Carryforwards [Line Items]      
Operating loss carryforwards 1,658,282 2,606,744  
Allowance on deferred tax assets 168,120 207,864  
Hong Kong Subsidiaries [Member]      
Operating Loss Carryforwards [Line Items]      
Operating loss carryforwards 1,435,150 769,340  
Allowance on deferred tax assets 236,800 126,941  
P R C Subsidiaries Other Than Shenzhen C D T [Member]      
Operating Loss Carryforwards [Line Items]      
Allowance on deferred tax assets $ 145,901 $ 147,822