贵航股份：公司航品业务涉及航空开关及其衍生产品、航空电机及其衍生产品等

Group 1 - The core viewpoint of the article is that Guizhou Aviation Industry Co., Ltd. (600523) has clarified its business scope related to aviation products in response to investor inquiries [1] Group 2 - The company's aviation product business includes aviation switches and their derivative products, aviation motors and their derivative products, as well as aviation sealing components and their derivative products [1]