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 Ensinger GmbH was founded in 1996 and processes engineering plastics into semi-finished products, finished parts, profiles and compounds. The international company is headquartered in Nufringen, Germany.

 "Due to the structured and professional structure of the software, it was possible for us to carry out demanding calculations with WinIso® without much effort.

Contact: Sven Rhode - info.de@ensingerplastics.com

Founded in 1935, the Hörmann Group is Europe's leading supplier of doors and gates, which are developed and produced in 27 specialised plants in Europe, North America and Asia.

"We are excited about the WinIso® software. Among other things, the high accuracy and speed of the calculation is outstanding."

Contact: Stephan Ongsiek - info@hoermann.de

Interpane Glas Industrie AG is a German flat glass manufacturer based in Lauenförde. The company manufactures glazing products at ten locations in Germany, Austria and France.

 "Interpane Glasgesellschaft mbH has been an enthusiastic customer of Sommer Informatik GmbH for many years. The calculation with WinIso® also worked quickly and effectively for us after a short training period, which is why we can only recommend this tool".

Contact: Steffen Schäfer - info@interpane.com

The engineering office has been operating since 1998 and offers services in the field of building physics and window technology.

"WinIso® is a powerful and valuable tool that effectively implements the requirements of the revised ISO 10077-2 and professionally supports the user in carrying out the calculations".

Contact: Dipl.-Ing. (FH) Roland Steinert – info@waermeschutz.cc

The Ift Rosenheim e. V. with its affiliated ift Rosenheim GmbH is a scientific service provider for manufacturers of windows and facades. It was founded in 1966 and employs about 200 people.

"WinIso® is a recommended tool for window manufacturers and manufacturers of frame profiles. Among other things, we were impressed by the speed of the calculations for large arithmetic cases."

Contact: Mr. Demel - info@ift-rosenheim.de