PaiDui provides a quick and easy way for store owners to upload queuing numbers to the cloud, freeing your customers from queuing and increasing their willingness to consume. Don't hesitate! Download the app quickly, enter the queuing number, and you will be able to view your queuing number in PaiDui APP! Features 1. Completely free 2. Registration is fast and it is easy to operate 3. You do not need a computer; one mobile phone will be enough 4. One-click increase and decrease button, letting