... 1.8-6meter surface:Power coated ,galvanized coated Prison Fencing, also known as the prison fence or prison barrier, the main blade ... galvanized steel with a strong clip, was launched after cross-shaped, beautiful and practical.Prison fence preservative in the form: electroplating, hot ... detention center, high-security military base in cordon areas. Hot Dipped Galvanized Prison Fence(Weian Brand)