Appalachian Electronic Instruments Inc. (AEI) and Karl Mayer agreed on 2^nd August 2022 that AEI will transfer its YTC yarn tensioner technology to Karl Mayer. Karl Mayer will take over the complete range of products YTC (YTC-2000 AND YTC-2000 MAX) and the complete technology of yarn tensioners for warp knitting weaving preparation from AEI. The after sales service for the installed machine base will be taken over by Karl Mayer effective from 1^st September 2022.

AEI will continue to provide support to Karl Mayer and its customers during the transition. As market leader and full range supplier in indigo dyeing, Karl Mayer will complete its yarn tensioner product range with this integration of the YTC technology.

Since patenting the first electronic disk tensioner in 1979 AEI has been a pioneer and leading supplier of yarn tensioners for denim and warp knitting applications. After 43 years, AEI has made the decision to exit the tension control market and focus on its patented broken and tight yarn monitoring technology.

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