天银机电：子公司研发了低空终端安全监管、监测产品

Group 1 - The core viewpoint of the articles highlights that Tianyin Electromechanical (300342) is actively developing low-orbit internet satellite technologies and products through its wholly-owned subsidiary, Shanghai Xunxi, which has already delivered ground processing equipment for low-orbit internet satellite signals with positive user feedback and a promising market outlook [1] - The company has also developed products aimed at ensuring safety supervision and monitoring for low-altitude terminals such as drones, although specific details cannot be disclosed due to confidentiality agreements [1] Group 2 - Shanghai Xunxi will continue to focus on emerging fields and is committed to providing innovative and reliable products and comprehensive solutions for its customers [2]