DKD company was set up in 1992, starting with the production of waterproofing materials. Thanks to the reliability and care for the customer, the company has gained foreign partners from Milan, Singapore, China, Hong Kong or USA. The cooperation resulted in the first electrochemical breathalyzer Alcohit AH 69. In time, after many tests and studies have been carried out, the breath analyzers were permanently incorporated into the company's offer. The Alkohit breathalyzers are very popular among police, small businesses as well as individual clients.