5v 2a laptop charging trolley for schools

{"cid":"91203148","title":"5V 2A Tablets Charging Trolley USB Charging Cart","imgUrl":"https:\/\/img.chinax.com\/nimg\/61\/38\/7467bb4093c69c04f39baf82034c-200x200-1.jpg","attrs":{"Price":"USD490-650\/set","Brand Name":"Anheli","Model Number":"AHL-E36","Minimum Order Quantity":"1 set","Delivery Time":"3-5 days for sample","Certification":"CE, FCC, RoHS, CCC","Place of Origin":"China","Payment Terms":"T\/T","Supply Ability":"1000 sets\/month","Packaging Details":"Standard exporting plywood cases for sample","Item":"USB charging cart","Material":"Galvanized sheet","Charging type":"USB","Charging ports":"36","Cooling system":"Cooling fans and ventilation holes","Security system":"8S security protection system","Safety system":"Locks and keys","Wheels":"4 wheels, 2 with brake"}}