天银机电：控股子公司天银星际的主营产品为恒星敏感器

Core Viewpoint - Tianyin Electromechanical (300342) clarified its business focus and ongoing projects in response to investor inquiries, emphasizing its commitment to radar simulation technology and collaboration with leading communication companies [1] Group 1: Company Overview - Tianyin Electromechanical's subsidiary, Tianyin Interstellar, specializes in star sensors and does not engage in integrated sensing research [1] - The wholly-owned subsidiary, Huaqing Ruida, is involved in the research, production, sales, and service of radar RF simulation and electromagnetic environment simulation systems [1] Group 2: Current Projects - Huaqing Ruida has extensive experience in developing radar target simulators and has established a cooperation intention with a leading communication company for integrated sensing simulation testing [1] - The project related to integrated sensing is currently in progress, indicating ongoing development and potential future advancements in this area [1]