Guelph, Ontario--(Newsfile Corp. - January 18, 2021) - ZEN Graphene Solutions Ltd. (TSXV: ZEN) (OTC Pink: ZENYF) ("ZEN" or the "Company") is pleased to announce the following related to its proprietary, graphene-based coating that is 99.9% effective against aerobic bacteria (gram-positive and gram-negative), fungi and viruses, including COVID-19:...