凯发电气(300407.SZ)：暂不涉及商业航天相关业务

Core Viewpoint - The company, Kaifa Electric (300407.SZ), focuses on the research, production, and sales of electrified railway and urban rail transit traction power supply systems, with no involvement in commercial aerospace business [1] Group 1: Business Focus - The company's main business is centered on the rail transit sector [1] - Currently, the company does not engage in any commercial aerospace-related activities [1] Group 2: Operational Information - The operational status and business scope of the company should be verified through announcements published in legal information disclosure media [1]