We merge our know-how under the umbrella brand technotrans
and 
gwk is called technotrans solutions GmbH now.
gwk is now technotrans
The gwk Gesellschaft Wärme Kältetechnik mbH has been trading as technotrans solutions GmbH since October 2021.
Products, service, further services and contact details can be found at
https://www.technotrans.de/