➣ General chemical analysis of raw network and pure treated water in the premises of Naftalan Gashalti Hotel
➣ Maintenance of water treatment systems, sand, charcoal filters, ion exchangers and ultraviolet lamps
➣ Maintenance of reverse osmosis systems and supply of monthly quantity of chemicals
➣ Organization of monthly service of water treatment systems
➣ Supply of monthly quantity of chemicals in order to maintain regular business operation of water treatment systems
➣ Maintenance of automatic chlorination system for drinking water, chemical analysis and chemical supply of water
➣ Maintenance of heating and cooling closed circuit water systems
➣ General chemical analysis of heating and cooling closed circuit waters
➣ Supply of monthly quantity of chemicals in order to maintain regular business operation of heating and cooling closed circuit water systems
