v3.25.1
Schedule of property, plants, and equipment estimated useful lives (Details)
Dec. 31, 2024
Machinery and Equipment [Member] | Minimum [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful life 3 years
Machinery and Equipment [Member] | Maximum [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful life 10 years
Electronic Equipment [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful life 5 years
Office Equipment [Member] | Minimum [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful life 3 years
Office Equipment [Member] | Maximum [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful life 5 years
Vehicles [Member] | Minimum [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful life 3 years
Vehicles [Member] | Maximum [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful life 4 years
Computer Equipment [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful life 3 years