... 3.Knocked-down design 4.With the lock Shuangbin Brand metal filing document cabinet with drawers Item No.2 drawer3 drawer4 ... be knocked-down,it’s convenient for transporting2,Doors equipped with ventilation3,Hidden hinge,beautiful&practical4,Environmental powder coated, ... quality material choose 4,Supporting OEM,ODM Clients in Europe and North American 5,Guaranteed Quality, ISO9001,ISO14001 . 6 ...