Looking to source promotional merchandise for your business that is sure to make an impact? Gray Water Ops has new challenge coin designs that are guaranteed to wow potential customers. To read more their patented NFC technology, 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

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• Gray Water Ops
• Challenge coin
• Business card
• NFC integrated