There are several important emergency numbers that travelers should be aware of when visiting China. These include the police hotline (110), medical emergency services (120), and fire department (119). Additionally, many cities have public safety hotlines that you can call in case of any urgent situations. It's also a good idea to keep the numbers for your local embassy or consulate on hand, in case you need to get in touch with home for any reason. Overall, being prepared with the right emergency numbers can help ensure your safety and security when traveling in China.