Does Shenzhen school kindergarten security company need to be changed for three years?

Yes The security company of Shenzhen school kindergarten is changed once every three years, aiming at maintaining the safety of students. Shenzhen is located in the south of South China, South China and Guangdong, east of the Pearl River Estuary, east of Daya Bay and Mirs Bay, and west of the Pearl River Estuary and Lingdingyang, with superior geographical position and convenient transportation.