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DUVAS-UNI, s. r. o. was founded on the 6th February as manufacturing and service organization for mining machines, especially drilling machines, loaders and ripping machines. All these machines are mounted on caterpillar track with electro-hydraulic drive.

The company started its activity with 11 employees in rent area in |Pržno (former area of "Strojspol" - company). The foothold is formed from the former employees of FERRUM, a. s., commercial-technical departments, the company at Frýdlant nad Ostravicí.

Manufactured mining machines have been redesigned on the base of company´s employees working experiences and newly have been certified for operation in mining environment with methane explosion danger up to the level IM2 as per the ČSN EN 13463-1 (to SNM 2 as per the par. 1 No. C), § 232 of notice ČBÚ č. 22/1989 Sb. the last version) including mines with the danger of rock and gas outburst and tremors.


The production has gradually increased and with this grow has increased also number of the employees.

We obtained factory buildings and outside consolidated areas into the company´s assets, whereby was possible to start with necessary building technological repairs.

The main building modifications were concerned in factory buildings repair and build-up of two prefab sheet-metal factory buildings, which are used as store-rooms.

The company successfully certificated a system of quality for processes "Design, Manufacturing and Maintenance of machines and equipment" as per the ČSN EN ISO 9001:2001.


We obtained the certificate of safety and protection of health at work management system and occupational hygiene as per the OHSAS 18001:1999 also system of environmental management as per the ČSN EN ISO 14001:2005.

Was realized the build-up a social-administrative building inclusive necessary power supply, wastewater drain off and purification and new connecting driveway.

With regard to technological improvements, we have installed spraying booth for surface modifications and created specialized workplaces for repairing, checking and measuring the hydraulic equipments, as well as workplace for manufacturing and checking electric-equipment of mining machines.

The company completed machining shop with horizontal boring.


Newly we are going to certificate whole integrated management in the 2nd term in 2007. Presently the company employs 40 workers.

In the days of 11. – 14. 09. 2007 the company for the first time presented its products at the International mining, power engineering and metallurgy fair in Katowice. There were exhibited the latest machines: drill carriage VSU 1E and loader NSU 1E P3 the previous variant of which was represented by SPH 1D loader.


In the days 21. – 22. 10. 2008 we organized the „ Days of new technology " where there in detail were introduces the VSU 1E machines and NSU 1E loader. These machines were demonstrated by their operation in the company testing department and on the next day in the mining operations.

In the year 2008 an extension of the metallurgy material store was constructed.


The storage areas were equipped with portal cranes.

At the present time the company is preparing for the next participation in the International mining, power engineering and metallurgy fair in Katowice. This trade fair will be held in the days of 01. – 04. 2009.


In 2010 modernization of the company machinery took place. We increased the loading capacity of the cranes; we also exchanged the electrical distribution and changed the controlling system to  remote control. We also bought an NC lathe. Milling machines and drills were overhauled.


As for the construction works, we insulated air shafts over the production halls, we also extended roof areas, and we also built a new shelter for bicycles and a covered parking for company vehicles. We are preparing to build an extension to a factory building where  finishing adjustments and a hydraulics workplace will be placed. We also plan to purchase new band saws for cutting the work material.

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