VANCOUVER, BC, June 27, 2022 /PRNewswire/ – Rock Tech Lithium Inc. (TSXV: RCK) (OTCQX: RCKTF) (FWB: RJIB) (WKN: A1XF0V) (the “Company” or “Rock Tech”) is pleased to announce that the Company has signed a non-binding term sheet (the “Term Sheet”) with Swiss-based commodity trading company…