Legal. By querying information, the group's official website information was displayed for a long time, and the group buying platform was recognized by the state. Jiujiu Group Buying Company is Zhejiang Jiujiu Network Technology Co., Ltd., which is a platform for global supply chain. On the sales side, it relies on the creation of private domain traffic to link inexpensive products to consumers in the form of group purchase, so long-term group purchase is legal. Community group buying is a subdivision of social e-commerce.