On April 14, China International Exhibition on Environmental Protection, Sanitation and Municipal Cleaning Equipment and Facilities was held in Beijing. Environmental protection exhibition exhibitors are mainly sanitation vehicle refitting enterprises, such as Yantai Hyde, Fujian Malong, Jiangsu Da Yue, Zhonglian Heavy Industry, Beijing Tianlutong and Henan Maben. Chassis enterprises are only Shaanxi Automobile Heavy Truck and Foton Daimler Automobile. In addition to the traditional display of sanitation vehicles, the organizers of the environmental protection exhibition also set up a small advertising cleaning technology and equipment display area in the city to demonstrate for visitors. Emission reduction of sanitation vehicles is the direction. More than 50 kinds of sanitation vehicles such as compressed garbage transfer vehicles, garbage collection vehicles, kitchen garbage trucks, muck trucks, road sweepers, sprinklers, snow shovels, washing and sweeping vehicles and high-pressure cleaning vehicles were exhibited in the environmental protection exhibition. Among them, the number of sanitation vehicles equipped with Dongfeng chassis is the largest, accounting for 70% of the total. The author found that the number of natural gas sanitation vehicles surged. Take Yantai Hyde as an example, half of the 13 sanitation vehicles are on display.