1. Find in travel agencies or online travel platforms: Many travel agencies and online travel platforms provide tour guide services. Enter relevant keywords on the search engine, such as "Guangzhou tour guide", "Zhuhai tour guide" and "Shenzhen tour guide" to find and compare different tour guide services.
2. Ask the hotel or tourist information center: You can ask whether the hotel you booked has cooperative tour guide service, or go to the local tourist information center and ask them to recommend local tour guides.
3. Use local travel applications: Some cities have special travel applications that you can download and use. Usually, they will provide information and contact information of local tour guides.
4. Ask local residents or friends to recommend: If you have local friends or people you know, you can ask them to recommend reliable local tour guides.