STS Co. was founded in 1996, with the main goal of manufacturing industrial equipments such as metal constructions heat exchangers, mixtures ,storage tanks and pressure vessels, shoots and ducts and other power plant equipments. Manufacturing the equipments
of Cement Factories under direct supervision of HAZMAG Co. and Cane Factories, Hot Rolling Workshops are among some of the projects carried out by STS. STS joined the highly reputable MAPNA Group of companies in 2009 when 100% of its shares were purchased
by the same and as one of MAPNA Group Companies has drawn clear horizons through its new missions in the fields of supply, manufacture and production of power plant equipments. Due to high quality products supplied by STS Co., this company is considered as
one of the leading manufacturers in Iran and Middle East.

Company Products contain a large variety of heavy parts used in Gas & Steam Turbines and the other Mapna Group Products including : •Components of Gas Turbine V94.2 : Center Casing, Exhaust Casing, Hot Gas Inner Casing, Combustion Chamber, Outer Shell,
Flame Tube, Top Dome, Gas Diffuser, Air Intake, Noise Protection & Enclosure, Oil Cooling System, Exhaust System •Components of Steam Turbine E-Type : Exhaust System, Transition Piece •Components of Turbo Compressors Output power 25 MW: Exhaust System, Air
Intake, Gas Volute Exhaust, Oil Cooler, Enclosures FFS-FUB-GTE •Complete Package for Desalination and Water Production from Sea Water, MED-TVC type •Wind Turbine Tower & Steel Structures.