Runjian Co., Ltd. stated on the investor communication platform that its subsidiary, Saihaoda, has developed fully autonomous proprietary heavy-load drones, drone nests, virtual simulation training systems, intelligent operation control platforms, photovoltaic autonomous inspection systems, etc. Product technology is applied in industries such as electrical utilities, photovoltaics, forestry, water conservancy, transportation, etc. Key application areas include smart grid inspection, geological disaster monitoring, photovoltaic intelligent operation and maintenance, intelligent cleaning, freight, etc. At present, drone business has been commercialized.