News: $STLHF Standard Lithium Entering Commissioning Phase of Its Lithium Extraction Demonstration Plant at the Arkansas Project Site - First-of-a-kind industrial-scale direct lithium extraction demonstration plant, installed in Southern Arkansas EL DORADO, Ark., Dec. 02, 2019 (GLOBE NEWSWIRE) -- Standard Lithium Ltd. (“Standard Lithium” or the “Company”) (TSXV: SLL) (OTCQX: STLHF) (FRA: S5L)... Find out more https://marketwirenews.com/news-releases/standard-lithium-entering-commissioning-phase-of-its-7577989437557111.html STLHF - Standard Lithium Entering Commissioning Phase of Its Lithium Extraction Demonstration Plant at the Arkansas Project Site