SIGMA TECHNOLOGIES PVT.LTD. provides solution for drinking water systems, Filter for hot beverages, Filters for ice cube machines, Filters for post mix, in-line iron removal systems, in-line alkalization and Mineralization system, Solar water heater, Hot water heat pumps, Convector heaters, Infrared heaters, Wood fire places, Water pressure boosting pumps, Electric water geyser, Air purifier, De-humidifiers, Personal protection equipment, Road safety products, Floor safety products, Ozone based products, etc.