According to the enterprise's inquiry, Zhiyuan Ecological Negative Oxygen Ion Chain Store refers to Zhiyuan Ecological (Changsha) Environmental Protection Technology Co., Ltd., located at Room 2208, Gui Huayuan, Furong North Road, Wu Jialing Street, Kaifu District, Changsha City, Hunan Province. Its business scope is the research and development of negative ion products and their supporting equipment. Sales of negative ion products and their supporting equipment; Production of negative ion products and their supporting equipment (limited to branches). At present, the company is in a state of permanent existence. Chain stores refer to many small-scale and scattered retail stores, which have the same brand and operate similar goods and services. Under the organization and leadership of the headquarters, they adopt the same business policy and consistent marketing actions, implement the organic combination of centralized procurement and decentralized sales, and realize the combination of economies of scale through standardized operation. Therefore, we know that the ecological negative oxygen ion chain store is legal.