Any merchant who signs up for the "Safe Purchase" must provide the following five services: "Authenticity Guarantee" "seven days no reason to return the goods" to allow users to Before the sale is not afraid to buy the wrong, the order is genuine, signed within seven days can be returned without reason, "high-speed refunds" so that users in the sale of refunds instantly to the account, buy the wrong, buy more does not matter, a key to operate immediately "back to the blood", "shipping insurance The "shipping insurance" and "door-to-door pickup" allow users to easily return goods after the sale, without having to pay the basic shipping costs, and without having to go out and send the goods, saving money and effort.