21L Granular Tank With Spreader System For Agriculture Spreading Drone

New 21L Granular Fertilizer Spreader for Agricutlural UAV Drone The new spreader is stronger than before one. The spreading is more well-proportioned, and the spread width is larger so as the spreading efficiency. Adding the granular shortage indicator function. This granular spreading system is designed for 16-20KG payload agriculture drone. If you need RTF drone can check our V1650 model.