U-Net is a self-service brand of Wuxi Xiaojing * * Enjoy Network Technology Co., Ltd. under Midea Group. It is an Internet of Things self-service intelligent SaaS management platform integrating independent hardware research and development, system construction and promotion operation. Empowering intelligent hardware through "U-Net Internet of Things Platform" helps operators to realize online equipment management, data analysis and adjustment of operation direction, reduce business operation and maintenance costs and improve management efficiency. Up to now, U-Net has spread all over the country, covering Peking University, China Renmin University, Nanjing University, Tongji University, etc. 1800, more than 2,000 hotels and apartments. The registered users of the platform have exceeded 2 1 10,000.

Water purifier, also known as water purifier and water purifier, is a water treatment equipment that deeply filters and purifies water quality according to water requirements. Water purifier usually refers to a small household purifier. Its technical core is the filter membrane in the filter element device, and the main technologies come from ultrafiltration membrane, RO reverse osmosis membrane and nanofiltration membrane.