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<p>Gray Water Ops is ready and waiting to help you create stunning branded challenge coins, complete with their patented NFC chip integrations. To learn more about this new technology, visit <a href="https://www.graywaterops.com/nfcchallengecoins" rel="noopener noreferrer" target="_blank" style="--qlLinkPreviewVisibility:visible;">https://www.graywaterops.com/nfcchallengecoins</a></p> 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