27 green three-wheeled electric vehicles were lined up neatly along the wall outside the high-tech investment department of the Shaanxi Xi'an Branch of China Post Group Co., Ltd. The business scope of this investment department covers a surrounding 16 square kilometers and carries out general mail delivery work in 29 sections.
30 deliverymen have to be busy all morning, and sometimes they have to make several deliveries. The express delivery on the car is heavier. In order to prevent the ground from being crushed, the delivery point has laid steel plates at the door.