Sigma Ltd. was founded in 1989. year.
The main activity is the production Hlorogen and automatic dosing systems.
The first Hlorogen was produced in 1996th and since then it has been constantly improving.

Sigma is also engaged in engineering and installing of automated systems for disinfection of drinking water. Training and maintenance completes our service.

With many years of experience Sigma guarantees complete and high quality drinking water disinfection solutions.