haha, that is a very good IT "support engineer".It's China after sale tech support service for the CH-4B drones. They provide better tech support service than buying computers from Dell.
If we got any problems with the computer from Dell after they got our money, we have to call India for help! China drone company got technicians right next to you holding your hands and says no worries I'm right here to help you on how to correctly and accurately bomb them terrorists with these new toys.