航发控制：目前公司正在积极拓展民用大飞机、通航动力等战略性新兴业务

Core Viewpoint - The company,航发控制, primarily focuses on the aerospace engine and gas turbine control systems, which constitute approximately 90% of its business operations [1] Group 1: Business Operations - The aerospace engine and gas turbine control systems business accounts for about 90% of the company's operations [1] - The company is actively expanding into strategic emerging sectors such as civil large aircraft and general aviation power [1] Group 2: Confidentiality and Access - The research and production areas related to the company's operations involve state secrets and are not open for external visits due to military equipment research and production confidentiality regulations [1] - Interested parties wishing to visit or learn more about the company's emerging business areas can submit a formal application to the company's board office, following the procedures outlined in company announcements [1]