PyroGenesis Provides 2nd Progress Report to HPQ Silicon Resources Inc.; 62% Increase in Impurity Removal; 531% Yield Increase.
MONTREAL, QUEBEC–(Marketwired – May 16, 2017) – PyroGenesis Canada Inc. (http://pyrogenesis.com) (TSX VENTURE:PYR)(OTCQB:PYRNF), a high-tech company (the “Company” [...]