... to avoid dust 3. Industrial wheels quite & strong 4. Central locking system Rethink your storage system with a mobile filing system. By eliminating ... a number of security options for the Mobile filing system, including locking aisles, centre lockers,anti-dumping device . heavy goods ... powder,environmental protection,corrosion prevention,damp proof,no smell;3.Steel thickness: base 2.5mm,stand pillar 1. ...