Ua tau zoo tsim cov xim tsis muaj pob tshab nano-silver tov, thiab tau txais Shanghai High-tech Achievement Transformation Project.Nws raug caw los ua pawg tswj hwm ntawm National Antimicrobial Association.Cov khoom lag luam tau ua tiav rau kev ua kis las khau thiab tsoos tsho ua haujlwm.