Introduction to unmanned vending stations: Coin boxes and goods are placed on the same stage. You put in coins to get the goods, and the entire sales process is unsupervised. This method is a kind of respect and trust for people, and it is also a test of the morality and integrity of both buyers and sellers. Maxim’s Yangtze River Scenic Area’s unmanned vending machine has a payment recovery rate of 97%, which shows that tourists are trustworthy.