GTG and QMA Report 150 Million RMB Investment by China Government Guidance Fund and Siting of Production Facilities in Beijing and Changde Economic Development Zones HONG KONG, Jan. 30, 2017 (GLOBE NEWSWIRE) -- The Guanghui Technology Group (GTG) and Quantum Materials Asia Co., Ltd., (QMA), a joint venture of GTG and Quantum Materials Corp (OTCQB:QTMM), today...