Sigma doo was founded in 1989. The main activity is the production of Chlorogen plants and automatic dosing systems.
The first Chlorogen plant was produced in 1996 and has been constantly improved since then.
Sigma also deals with the engineering and installation of systems for automatic disinfection of drinking water. User training and system maintenance round off Sigma's business.
With many years of experience, Sigma offers a complete and high-quality drinking water disinfection solution.