Macao has small land area and narrow roads. In order to maintain a beautiful and clean city environment, the Macao Special Administrative Region, from the perspective of municipal construction & planning, after many considerations, decided to introduce Gree Altairnano pure electric municipal sanitation cleaning vehicle, which is also the first time for Macao to use pure electric municipal sanitation vehicles. It is of great significance in enhancing the cultural charm of the city and creating a good ecological environment.