Disaggregated revenue and Concentration (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Disaggregated revenue and Concentration
Disaggregated revenue	$ 288,212	$ 107,042	$ 1,945,232	$ 738,729
Products sale Member
Disaggregated revenue and Concentration
Disaggregated revenue	91,598	68,542	1,142,865	672,829
Product installation service Member
Disaggregated revenue and Concentration
Disaggregated revenue	$ 196,614	$ 38,500	$ 802,367	$ 65,900