cooling fans and ventilation holes laptop charging trolley

{"cid":"91203148","title":"Competitive Price 30 AC Power Charging Cabinet Laptops Charging Trolley","imgUrl":"https:\/\/img.chinax.com\/nimg\/b7\/80\/2326c50cbe07a35566b1a00c46c1-200x200-1.jpg","attrs":{"Price":"USD 439-550\/set","Brand Name":"Anheli","Model Number":"AHL-B30","Minimum Order Quantity":"1 set","Delivery Time":"5-7 working days","Certification":"CE, FCC, RoHS, CCC, ISO, etc.","Supply Ability":"1000 sets\/month","Place of Origin":"China","Protection system":"Locks and keys","Packaging Details":"Standard exporting plywood cases","Item":"AC power charging cabinet","Wheels":"German medical standard ultra-quiet universal wheels","Payment Terms":"T\/T","Material":"Galvanized sheet","Charging ports":"30","Cooling system":"Cooling fans and ventilation holes","Charging items":"Laptops, chromebooks, notebooks","Interlayer":"ABS engineering plastic"}}