... region need high level security:1, Border security system is all-around security system,not only it include physicalanti-speeling fencing ,but ... wire fencing system. The customer can select one,two or all 3 types of the fencing for security according to the ... 2.6m)4, Antirust level: the product and parts are all hot dipped galvanized ,according to ASTM A123, BS 729(zinc ...