2. Transportation(solar panel): such as beacon lights, traffic / railway signal lights, traffic warning / sign lights, Yuxiang street lights, high-altitude obstacle lights, highway / railway wireless telephone kiosks, unattended road shift power supply, etc.
3. Communication / communication field(solar panel): solar unattended microwave relay station, optical cable maintenance station, broadcasting / communication / paging power supply system; Rural carrier telephone photovoltaic system, small communication machine, soldier GPS power supply, etc.
4. Petroleum, marine and meteorological fields(solar panel): cathodic protection solar power supply system for oil pipeline and reservoir gate, domestic and emergency power supply for oil drilling platform, marine detection equipment, meteorological / hydrological observation equipment, etc.