Recently, walking into Gaowang Community, Wangcheng Town, Xinjian District, Nanchang City, Jiangxi Province, you can see that the road surface is clean and tidy, a variety of green plants are planted on both sides of the road, and "green" elements such as solar street lights, intelligent charging stations for electric vehicles, frequency conversion water supplies, and intelligent garbage sorting bins can be seen everywhere. Looking up at the residential buildings, the blue photovoltaic panels ar