飞亚达：长空齿轮公司主要产品为精密齿轮、精密减速器

Group 1 - The core viewpoint of the article is that Feiya has confirmed its ongoing efforts to acquire controlling interest in Changkong Gear Company, which specializes in precision gears and precision reducers [1] - Currently, there are no other undisclosed acquisition projects or target companies mentioned by the company [1]