Unis Group > Modernization



Modernizing technology, sophisticated equipment, developed information system and quality assurance system, along with age long experience and know how, are the guarantee of production and services quality. The most significant part of overhauling is adaptation and modification and particularly important are such modifications to provide improvement of weapon tactical and technical capabilities.


– Maximum modernization of T-55 and T-62 tanks
– Self-propelled 76 mm Gun M18A2
– PD6/S transciever
– Gun 130 mm hydro-pneumatic system
– Praga V3S armoured car
– BRDM-2 Armoured amphibious reconnaisance car
– Power pack for MBT 1000, 1200, 1500 HP
– Full Automatic control system for tanks
– Tank and artillery cannon manufacturing.


Extension of machine elements and assemblies lifetime is achieved by application of the following regenerative operations:
– metallization (hot and cold state);
– surfacing (standard and hard);
– chroming (hard state);
– welding (gas welding and electric arc welding).
Corrosion protection of metal parts and structures is provided in the following ways:
– chemical (phosphating and browning);
– electro chemical (anodizing, galvanizing, chromium-plating, cadmium-plating);
– painting (with all types of paints, drying up to 80 degrees celsius or by paint baking up to 140 degrees celsius)

Mobile workshops

Representing mobile centers for technical maintenance and overhaul works carried out in field conditions on all types of small arms and artillery weapons, tanks and armored personel carriers, motor vehicles, communication equipment, ammunition of all calibers, etc.
Significant segment of company operations is production of spare parts and equipment for overhaul, training aids, as well as designing and equipping of training labs.
Trainers for initial and basic training and basic training of M84 tank drivers, training for D-30J 122 mm.


Venezuela, Czech Republic, Egyptian army, Iran, Kuwait.




TRZ Hadzici