He Jiang

Water spray evaporation cooling shutter solar protection devices

Domestic photovoltaic storage system

Distilled water recycling device for solar water heating tank

Public bicycle system in city that combines solar photovoltaic electricity generation

Louver sun shading device achieving water spray evaporative cooling

Battery automatic selling system designed by combining solar photovoltaic panel and bus station

Urban public bicycle system by combining solar energy photovoltaic power generation

Automatic system of seling of battery that combines solar photovoltaic board and bus stop design

Household photovoltaic energy-storage system

Solar distilling apparatus