Service industry. The industry to which Zhongyou Kangle belongs is the science and technology promotion and application service industry. The operation mode of Zhongyou Kangle belongs to large supermarket chains and shopping centers. It mainly deals with food, fresh food, daily necessities and other categories of goods, and adopts the operation mode of large supermarket chains, while providing comprehensive shopping, entertainment, catering and other services in the form of shopping centers to provide customers with a one-stop shopping experience.