What are the brands of agricultural plant protection drones and how to choose a suitable plant protection drone?

Brands: Jifei, Shenlong 260 Youzhi, Hanhe, Yinlai, DJI, etc. How to choose: 1. According to your crop situation. At present, most of these plant protection planes spray pesticides. See if their functions, spraying methods, flight modes and spraying effects can meet your mission requirements. 2. Try to choose products that have been put into the market. It's not that products like Feifei DJI are not good and their technology is excellent, but it's an inevitable process for any product to enter a new market, accept market feedback and improve its technology (in fact, it's modification). 3. Detailed parameters: At this time, data such as endurance, aircraft weight, energy consumption of the whole machine, operating software and maintenance are considered. Generally, such manufacturers will have special customer service. 4. Local policies.