盐湖股份：4万吨/年基础锂盐一体化项目于9月28日投料试车，已生产出合格的碳酸锂产品

Group 1 - The core point of the article is that Salt Lake Co. has commenced trial production of its 40,000 tons per year lithium salt project, which began on September 28, and has successfully produced qualified lithium carbonate products [1]. Group 2 - The company responded to an investor inquiry regarding the status of the lithium salt project on an investor interaction platform [1]. - The specific announcement regarding the trial production can be found in the document titled "Announcement on the Trial Production of the 40,000 Tons per Year Lithium Salt Integration Project" [1].