Established in 1972, Contrac provides business-to-business solutions in the most cost-effective and efficient way in order to substantially reduce costs for your organisation.

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Otto Künnecke

Otto Künnecke develops solutions for different markets world wide which comprise packaging- and mailing solutions for high security products like credit cards, passports and PIN-letters.

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GSIT - Golden Spring Internet of Things Inc.

Golden Spring Internet of Things Inc. established in 2004, is an international inventor, manufacturer and service provider of turnkey solutions of RFID.

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