格隆汇1月22日丨天银机电(300342.SZ)在投资者互动平台表示，公司的控股子公司天银星际的恒星敏感 器、太阳敏感器、姿态控制模块等产品应用于卫星上。此外，公司目前暂无太空碎片清除的相关技术储 备。 ...

Group 1 - A total of 38 stocks were listed on the institutional leaderboard today, with 26 stocks experiencing net buying and 12 stocks facing net selling [1] - The top three stocks with the highest net buying by institutions were Tianyin Machinery (4.96 billion), Zhongcai Technology (2.99 billion), and Hongda Electronics (2.61 billion) [1] - Tianyin Machinery saw a price increase of 17.21%, with 5 buyers and 2 sellers on the leaderboard [2] Group 2 - Tianyin Machinery's subsidiary, Tianyin Xingji, is a domestic manufacturer of stellar sensors for commercial operations, with applications in satellites including solar sensors and attitude control modules [3] - The company is actively expanding its customer base in the commercial aerospace sector and has made substantial progress in acquiring new client orders [4] - Shanghai Port Bay's subsidiary has launched a production line for space-grade solar cells and flexible solar arrays, supporting over 20 satellite units [5] - The partnership between Junda Co. and Shangyi Optoelectronics aims to develop perovskite batteries, which are expected to address energy supply challenges in space and support the growth of the space economy [6]

Group 1 - The core viewpoint of the article is that Tianyin Electromechanical (300342.SZ) clarified its business operations, specifically stating that its subsidiary Tianyin Interstellar does not have any business cooperation with SpaceX [1] - Tianyin Interstellar is identified as a domestic manufacturer of stellar sensors for commercial operations, and it also produces solar sensors and attitude control modules for satellite applications [1] - Additionally, the subsidiary Shanghai Xunxi Technology provides ground processing equipment for low-orbit internet satellite signals, which can also be applied in aerospace-related businesses [1]