TSX-V │ SWAN OTCQB │ BSWGF TORONTO, Oct. 31, 2022 /PRNewswire/ – Black Swan Graphene Inc. (“Black Swan” or the “Company”) (TSXV: SWAN) is pleased to announce that it has qualified for trading in the United States on the OTCQB® (“OTCQB Venture Market”) operated by OTC Markets Group Inc….
