The mechanization level of Huai'an's efficient plant protection has reached 40 percent. The municipal agricultural technology department comprehensively improves the level of equipments and operation services of plant protection through innovative models such as UAV plant protection. At present, the city has 300 UAVs to help the mechanization of efficient plant protection. The picture shows the large-scale promotion activity of T16 UAV held in Huai'an a few days ago.