I am looking for suppliers that can supply 8gb usb flash drive that is like in the picture.  I need the 8gb usb to be able to store 8gb of file, retain 8gb of file while not in use, transfer 8gb of file that can be open.  I need a guaranteed that it could perfom this function or a full complete refund.  I am looking for a long term steady suppliers that can supplies me 250pcs or more weekly.  Please send all quotation and I will be looking forward to be doing buisness with your company.