On March 14, 2018, Honghu's drones and mounted equipment products were officially delivered to the Hengshui Environmental Protection Bureau. The company's professional and technical personnel gave professional training to the leaders of the Hengshui Environmental Protection Bureau and conducted practical exercises on all the mounted products. . Through the high-definition camera and multi-component gas analyzer equipped with the drone, the program can be designed and operated to realize the monitoring and photo-taking of the polluted environment such as waste discharge, small workshop illegal production, and farmers burning straw. In line with law enforcement by the environmental protection department, the efficiency of law enforcement has been effectively improved.