... high :1.8-6meter surface:Power coated ,galvanized coated Prison Fencing, also known as the prison fence or prison barrier, the ... , beautiful and practical.Prison fence preservative in the form: electroplating, hot dip, spray, dip.Main purpose: the prison fence is mainly ... prison detention center, high-security military base in cordon areas. Hot Dipped Galvanized Prison Fence(Weian Brand)