Clearing the Regulatory Gate for Global Commercial ShipmentsMONTREAL, Dec. 16, 2025 (GLOBE NEWSWIRE) -- HPQ Silicon Inc. (“HPQ” or the “Company”) (TSX-V: HPQ, OTCQB: HPQFF, FRA: O08), a technology company specializing in advanced materials innovation and the development of next-generation processes, is pleased to announce that it has obtained UN 38.3 certification for its first high-performance lithium-ion cells in the HPQ ENDURA+ line: the 18650 (4,000 mAh) and 21700 (6,000 mAh) formats developed with its ...