(Rock Tech, 4.Dec.2023) — Rock Tech Lithium Inc. (TSXV: RCK) (OTCQX: RCKTF) (FWB: RJIB) (WKN: A1XF0V) has received a binding feedstock supply offer  from Castelburg Industrie GmbH. Castelburg, a renowned supplier in the automotive industry commits to supply a minimum of 250,000 dry metric tonnes of spodumene concentrate feedstock for the company’s conversion […]