地铁设计：公司参与了广州APM线、深圳地铁二十号线等无人驾驶系统工程，系统提供相关勘察设计等工程咨询

Group 1 - The company, as a leading enterprise in the rail transit surveying and design sector in the Guangdong-Hong Kong-Macao Greater Bay Area, is involved in key technologies related to smart city rail transit [2] - The company has participated in the design and engineering consulting services for unmanned driving systems, including projects like the Guangzhou APM line and Shenzhen Metro Line 20 [2]