 VANCOUVER, BC, Oct. 18, 2021 PRNewswire - Rock Tech Lithium Inc. the Company or Rock Tech TSX-V: RCK Frankfurt: RJIB OTCQX: RCKTF is pleased to announce completion of a pilot test program and prototype production of battery grade lithium hydroxide monohydrate greater than 99.5 purity, in compliance with end-user electric vehicle lithium-ion battery production specifications. Rock Tech has been developing and optimizing a commercially proven process technology to produce battery grade lithium hydroxide monohydrate BG-LHM from various spodumene concentrates. 