These are parts of the tested reported we received for our company's air cleaners. We can conclude that our products are reliable to remove virus in the air, TVOCs, Ozon and other harmful substances. We must mention that Shanghai Sinko Air Conditioning Equipment Co., Ltd.--our strategical partner, decided to distribute our air cleaners through a series of strict selections. In addition, Shanghai Sinko applied and received disinfection product certificate from Shanghai Institute of Preventive Medicine (Shanghai 2020-0321, and Shanghai 2021-0064). As a result, our products can enter hospitals during Covid pandemic. They become important tools to kill Covid virus.