In order to extend the visa in Sanya , you must contact the Department for the entry and exit for the Police Sanya city , address : city of Sanya , Inbin Lu , Office of the Metropolitan Police
Telephone: 86-898 - 88868093
Telephone for complaints: 86-898 - 88868118
Hours: Monday - Friday: 8:00-12:00 , 14:30-17:30
Time of visas to five working days, a visa at the port make out immediately.
To obtain a visa must provide one photo-copy passport ( front side , a valid visa and a notice of cross-border ), a document on the residence registration (issued at the police station at the place of residence ) .
If the visa is paid a fee of 160 RMB(CNY). Visa extended for a period of 30 days , possibly twofold visa extension after crossing into China.