The reason why solar drones choose to fly in Yulin, Shaanxi.

1. Good climatic conditions: Yulin area belongs to temperate semi-arid climate, with an annual average temperature of 10~ 15℃ and hot summer, which is suitable for the flight test of solar-powered unmanned aerial vehicles.

2. Rich solar energy resources: Yulin, Shaanxi Province has abundant sunshine, with an average annual sunshine hours of more than 2,800 hours, which is suitable for the development and utilization of solar energy resources.

3. Excellent airspace conditions: Yulin has attack aircraft and reconnaissance aircraft equipped with automatic driving system, complete airspace control system and excellent flight test conditions.

4. Multi-governmental support: Shaanxi provincial government attaches great importance to the research and development and application of solar energy technology, and provides policy and economic support for the test flight of solar unmanned aerial vehicles.

5. Excellent flight test site conditions: Yulin has more than 30 airports, including civil airports and military airports, and there are many flight test sites to choose from, which provides superior conditions for the flight test of solar drones.