You can now commission a run of custom challenge coins from Gray Water Ops, complete with their patented NFC chip integration technology.
To read more about the tech that powers these coins, visit https://www.graywaterops.com/nfcchallengecoins
Gray Water Ops, LLC 5825 Tyler Dr, Harrisburg, PA 17112, United States
Website Gray Water Ops, LLC
Phone +1-717-412-1402
Email Keith@GrayWaterOps.com
