... quite & strong 4. Central locking system Rethink your storage system with a mobile filing system. By eliminating all but one aisle, ... are a number of security options for the Mobile filing system, including locking aisles, centre lockers,anti-dumping device . ... .Importing static electricity powder,environmental protection,corrosion prevention,damp proof,no smell;3.Steel thickness: base 2.5mm,stand ...