LONDON, Nov. 29, 2017 (GLOBE NEWSWIRE) -- Drone Guarder, Inc. (OTCQB:DRNG) Drone Guarder (DG) is pleased to announce that we are partnering with Swellpro Ltd of China. After evaluating the existing drone supplier options, we have decided to use Swellpro as our drone supplier.  The Swellpro drone offers patented design and technology. We visited with them a few weeks ago in Shenzhen China and...