Where can a security guard play mobile phones in Quanzhou?

Both will do. The security guard can play with the mobile phone at any time, and just open the door when the user needs it. Quanzhou, also known as Licheng, is a prefecture-level city under the jurisdiction of Fujian Province, and it is a type II big city. It is one of the central cities in the economic zone on the west side of the Taiwan Strait and a modern industrial and trade port city approved by the Fujian Provincial People's Government. Quanzhou lies in the east of China.