Zentek Announces C$20 Million Bought Deal Public Offering and C$12.5 Million Non-Brokered Private Placement NOT FOR DISSEMINATION IN THE UNITED STATES ORFOR DISTRIBUTION TO U.S. NEWSWIRE SERVICES. GUELPH, Ontario, Nov. 16, 2021 (GLOBE NEWSWIRE) -- Zentek Ltd. ("ZEN" or the "Company") (TSX-V:ZEN and...