天银机电：控股子公司天银星际恒星敏感器 客户覆盖面广、市场占有率高并远销国外

Group 1 - The core product of the company’s subsidiary, Tianyin Xingji, is the stellar sensor, which has a wide customer base and high market share [2] - The products are also exported internationally, indicating a strong presence in foreign markets [2] - The company actively engages with investors through platforms to provide updates on its business operations [2]