Core Viewpoint - The company, Zhonghaidah (300177), focuses on the research, development, manufacturing, and sales of high-precision navigation and positioning technology-related hardware and software products and services [1] Group 1: Business Focus - The company's products and technologies are primarily applied in various fields including surveying and mapping, disaster monitoring, hydrology and water conservancy, emergency rescue, intelligent driving, and mechanical control [1] Group 2: Additional Information - For detailed information regarding the company's main business, investors are directed to refer to the relevant sections of the annual report [1]

Group 1 - The company focuses on the research, development, manufacturing, and sales of high-precision navigation and positioning technology-related hardware and software products and services [1] - The company's products are primarily applied in fields such as surveying and mapping, disaster monitoring, hydrology and water conservancy, emergency rescue, intelligent driving, and mechanical control [1] - For detailed information regarding the company's main business, refer to the relevant sections of the annual report [1] Group 2 - An investor inquired about the company's products and services applicable to the commercial aerospace sector and which commercial aerospace companies they supply or serve [3]

Group 1 - The company, Zhonghaidah (300177), focuses on the research, development, manufacturing, and sales of high-precision navigation and positioning technology-related hardware and software products and services [1] - The company's products are primarily applied in various fields including surveying and mapping, disaster monitoring, hydrology and water conservancy, emergency rescue, intelligent driving, and mechanical control [1]