EXAR is an Argentinian company specializing in the development and production of battery-grade lithium carbonate. Founded in collaboration by Ganfeng Lithium, Lithium Argentina and Jujuy Energía y Minería Sociedad del Estado (JEMSE), the company operates the Cauchari-Olaroz project in San Salvador de Jujuy, Argentina. Since commencing production in 2023, EXAR has created over 2,000 jobs and is committed to sustainable development, environmental protection and cultural respect to support the global shift to renewable energy and electric mobility.

