优德精密(300549.SZ)：销售的减速机目前主要应用于自动化产线及机床设备的减速传动机构，暂未直供航空航天领域

Group 1 - The company, Youde Precision (300549.SZ), primarily sells reducers that are used in automation production lines and machine tool equipment for speed reduction transmission mechanisms [1] - The company has not yet supplied its products directly to the aerospace sector due to the lack of targeted verification and assessment [1] - As a result, the company is currently unable to determine the role of its reducers in the aerospace field [1]