ST合纵：控股公司湖南雅城主要是做锂电池正极材料前驱体的研发、生产和销售

Group 1 - The core viewpoint of the article is that ST Huzhong (300477) is primarily engaged in the research, production, and sales of lithium battery cathode material precursors through its holding company, Hunan Yacheng [1]