Jiangsu FRS Environmental Protection Technology Co., LTD, located in Jiangsu province, is a national high-tech enterprise engaged in the research, development, production, sales and service of Internet of Things technology, air purification, disinfection equipment, environmental monitoring equipment. We possess three scientific research subjects: FRS Technology Academy(UK), FRS Technical Development Center of Internet of Things(Hunan), FRS Base for Scientific Research and Transformation(Shenzhen) and have obtained dozens of domestic and foreign patent technologies. FRS air disinfection machine, FRS sterilizing ventilation system, FRS KN95 filtered anti-particle mask, FRS purification subject, and dozens of products which are widely used in hospitals, laboratories, workshop, schools, hotels, families, etc.