Though we have many things want to introduce.this one should be the first and most important.
Emergency Call: 112
(do not use it when emergency unless you forgot the number below. .)
First Aid: 120
SOS in Water:12395
1. in many situations,110 was your first choice.
2. install an app could send your location,such as Wechat, Whatsapp.
3. Make some friends or at least get one contact in China that can receive your message.
China Unicom: 10010
China Mobile: 10086 / 12580
China Telecom: 10000
Bank of China 95566
Agricultural Bank of China 95599
China Construction Bank 95533
Industrial and Commercial Bank of China 95588
Bank of Communications 95559
Standard Chartered Bank 800-820-8088
Air China 95583
China Eastern Airline 95530
Hainan Airlines 950718
Southern Airlines 400-669-5539
Beijing Capital International Airport 96158
Shanghai Pudong International Airport 96990
any more Tips will add in future.