国泰集团(603977.SH)：钽铌氧化物经过下游火法冶金加工后大多进入航空航天、商业航天等领域

Group 1 - The core viewpoint of the article is that Guotai Group (603977.SH) has confirmed through its interactive platform that its subsidiaries, Tuohong New Materials and Sanshi Nonferrous, produce tantalum-niobium oxides which are primarily processed through pyrometallurgical methods for applications in aerospace, commercial space, and special alloys [1] Group 2 - The tantalum-niobium oxides produced by the subsidiaries are significant for their downstream applications in high-tech industries [1] - The focus on aerospace and commercial space indicates a strategic alignment with growing sectors in technology and defense [1] - The mention of special alloys suggests potential for diversification in product offerings and market reach [1]