Industrial, Construction Equipment, Pneumatic Components, Valves, GEMMA GROUP is the leader hydraulic equipments such as mobile cranes, telescopic cylinders, all types of hydraulic pumps, power take off for all trucks, hydraulic valves, shafts. in Turkey. GEMMA was established in 1988 and started to work in industrial oil sector. Establishing Gas Stations in Turkey, it has become one of the most popular names in Automotive Sector. Our, Construction Equipment, Industrial Pumps, Hydraulic Pumps, Construction Machinery ...