Buying back refers to participating in the group buying of goods. You can randomly get a group buying code when you participate in the group buying. When the group buying of this period of goods is successful, the system will extract a group buying code as a "lucky code" according to the remainder rules. This "lucky code" "Owners will receive incentives. For example: a group of 100 people worth 500 yuan in gold bars. This period requires 100 people to participate in the group. Each person pays 500 yuan. After the group is successfully assembled, the system will give a group group code. When the group of 100 people is successfully assembled in this period, the system will follow the remainder rules. Draw a lucky code, and the owner of the lucky code can get 6,500 yuan (including 500 yuan refund rights and 12 times the incentive bonus of 6,000 yuan). The rebate system is a perfectly operable group rebate e-commerce system developed by Taolong Network. The channels cover H5, official accounts, mini programs, and APPs. Using TP6 framework + Vue front-end and back-end separation technology, it supports multiple merchants to enter and manage stores. The back-end functions are complete and include: product management, user management, merchant management, financial management, system management, authority management, marketing management and other core modules.