You are the owner of Kechaoda device or you want to buy a phone from that company? Before you do that you should know its IMEI number.
If you are going to buy your phone from second hand you should always check its IMEI number, to find out if it isn't stolen. But blaclist check is not everyting that you can do with your IMEI number, you can also check all details about your phone using IMEI.