Gunhan-Ark Co. was established at the beginning to meet the requirements of the group companies, with its quality production in the field of the group companies, with its quality production in the field of casting as well as its drilling machinery and equipment. During years, parallel to the demand from sector, Gunhan-Ark Co.that increased its production capacity has taken its place in the most important establishment of the sector, with its factory covering an area of 13.000 m2 in Elazıg, its workshop of 600 m2 at Ostim Ankara, and its casting furnaces of 1000 kg-capacity.Drilling machines manufactured by Gunhan-Ark Co. have proven their qualities with their high productive operations in many large dams and ponds in Turkey. Gunhan-Ark Co. continues its production in a great meticulousness and understanding of responsibility.