They announced that it was going to be manufactured in a GMP certified facility, but I'm not sure if it eventuated.
CANN GLOBAL LIMITED ENTERS INTO A STRATEGIC ALLIANCE WITH TGA & GMP APPROVED MANUFACTURER, BIOHEALTH PHARMACEUTICALS
February 8 2019
https://www.asx.com.au/asxpdf/20190208/pdf/442glpgxmwbmvr.pdf