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 https://GrayWaterOps.com Phone +1-717-412-1402 Email Keith@GrayWaterOps.com