Why do security guards in Shenzhen, Guangdong work at night?

Ensure safety and order at night. Security personnel are responsible for safeguarding public order in the work area and preventing accidents such as personal safety loss or property loss. In Shenzhen, Guangdong, security personnel all work at night to ensure the safety and order at night and adopt a 24-hour working system. Security is a professional type of work, and its main responsibilities are fire prevention, theft prevention and personal safety in the responsible area.