In 2018, the global lithium resource supply increase mainly comes from lithium phosphite extraction, mainly concentrated in Tianqi Lithium Industry, Yanfeng Lithium Industry, Galaxy Resources and Australia Wodgina Ore (DSO), with a total increase of 32,000 tons of lithium carbonate (LCE, regardless of DSO) Tianqi Lithium's lithium salt production in 2017 was 32,000 tons (announcement).