Our company, which was established in 1970 by our founder Muharrem SULAR as a machining and welding workshop in Ata Sanayi Sitesi, continued its activities in the fields of dozer spare parts manufacturing and chassis maintenance under the name Öz Sular Makina ve Yedek Parça in Ostim Organized Industrial Zone in 1982. On the other hand, Iller Bank drinking water and sewerage contracting works were carried out under the name of Kumalsan Company. In addition, the operating activities of the Sand Quarry washing and screening facility and the stone quarry crushing and screening facility licensed on behalf of our company in Kırşehir province continued.