This is a mind map about Business portfolio for Smart city System integration business, Main content: Tracking and evaluating business performance, Continuously innovating and staying ahead of industry trends, Ensuring customer satisfaction and fostering long-term relationships, Providing ongoing support and maintenance, Designing and implementing Smart city System integration solutions, Building an effective team and partnerships, Developing a comprehensive business strategy, Identifying target

This is a clear mind map that primarily explains planners, safety managers, and quality managers. Each role is further explained on several levels, including their responsibilities, skill requirements, and job content. For example, planners need to have good organizational and time management skills, safety managers need to have risk assessment and emergency response capabilities, and quality managers need to have quality control and continuous improvement capabilities.