OSTROJ a.s. is a purely Czech company with a long tradition of manufacturing mining machines, conveyor systems and other technologies for underground work. It has been delivering projects to customers all over the world for more than 75 years and employs over 800 people on 42,000 square metres of production space.

Production, modernization, automation and service of single-purpose machines and lines. Offering metal fabrication, machining, structural work, moving technology. Providing manufacturing of LV and MaR switchboards, programming of PLC control system applications, machine conversions to automated control.