Innovation Product Showcase


GWT Water disinfection system “Solar powered, no chemicals and no running costs!


Treatment -Recycle Solutions


"Safe water, everywhere, anytime.
This vison is our motivation. We eliminate water based diseases and …make the world a better place!"

GWT is based in Munich, Bangkok and Nairobi. Our newly developed solar water Read More


Automatic, solar driven water disinfection system for up to 20.000 liter per day pure, disinfected, safe and healthy water.  It is working fully solar driven, but can also used on grid or with a back up battery. It is designed to be almost ma Read More

About Company

GWT – German Water Technologies Ltd. is funded by the German Protoplan GmbH and the Thailand Intec Solar Ltd. in 2014. Protoplan has a large experience in water production and disinfection as well as in project and start up management. Intec Solar Ltd. has a wide expertice  in solar energy and is well known in the South East Asian market.

Together with German electrolytic and industrial design experts GWT developed the INTEWA-system. Our German technology guarantees the best quality standard and the most reliable production of potable water, and the German pr Read More

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