See if it's been disassembled, and look at the screws for scratches. If the screws haven't been opened, they should be matte black and not lose their paint.
If the screws lose paint, then we should pay attention.
And then look at the seams of the machine surface mask, there is no warping.
Screen and other surfaces can be ha breath change angle to see if there are fingerprints scratches and so on.
Canon (Canon ), is a Japanese world leader in the production of imaging and information products, integrated group, since its establishment in 1937, after years of unremitting efforts, Canon has globalized its business and expanded into various fields.
Canon's product lineup*** is spread across three main areas:
Personal products, office equipment and industrial equipment, with major products including cameras and lenses, digital cameras, printers, copiers, faxes, scanners, broadcasting equipment, medical devices and semiconductor production equipment.
Canon is headquartered in Tokyo, Japan, and has four regional sales headquarters in the Americas, Europe, Asia and Japan, with 200 subsidiaries and over 100,000 employees worldwide.
March 9, 2016, Japan's Toshiba Corporation held a board meeting today and finally decided to sell its Toshiba Medical Systems to Canon, which made a purchase offer of 700 billion yen (about 40.5 billion yuan).
Refurbished machines are cell phones that are sold as new by cleaning up some recovered used phones with chemical liquids, re-shelling them, and pairing them with batteries, chargers (fake) and packaging.