惠云钛业：主营业务为钛白粉产品的研发、生产和销售

Core Viewpoint - The company, Huiyun Titanium Industry, focuses on the research, production, and sales of titanium dioxide products, with expanding applications in various industries beyond traditional sectors [2]. Group 1: Business Overview - The main business of the company is the research, production, and sales of titanium dioxide products [2]. - The company is exploring new application fields for titanium dioxide, including the photovoltaic industry, new energy sector, and catalysis [2]. Group 2: Industry Applications - Titanium dioxide is traditionally used in plastics, coatings, chemical fibers, and construction materials [2]. - The company does not engage in military-related applications, specifically regarding stealth coatings [2].