We are engaged in the purchase, storage and sale of semi-finished products made of non-ferrous metals and aluminium alloys. We carry out large and small scale deliveries. We provide production of centrifugally cast housings of non-standard dimensions. We can lengthen the purchased material according to the customer's requirements.

We manufacture industrial products for the construction and repair of machinery and equipment such as plain and rolling bearings, linear feeders and drives. We also offer machining, precision grinding, technical consulting and service. We operate a wholesale business. We deliver within 24 hours directly to the destination.

We are engaged in custom piece and small batch production of machine parts and parts of single purpose machines. We offer CNC machining, milling, turning and locksmithing. We supply industrial ball valves.

The company's organization is: fluid systems division - hydraulic systems, hydraulic cylinders, lubrication systems, engineering production, service and trade, machining and welding division, technology center - comprehensive services in the field of preventive and proactive maintenance of machinery and equipment Hydrodiag.

We deal with chip machining, turning and milling of metal parts. We also perform drilling, threading, reaming or cutting of parts. We realize upper and lower flanges, shafts, running gears, pins, clamping mandrels, eccentrics and bolts. We provide custom, piece and mass production.

We are a flexible, modern, engineering company engaged in complex sheet metal processing mainly by the method of punching presses, bending presses, or laser, or machining such as turning and milling. We then perform other operations required by the customer in the locksmith's workshop.

Manufacture, sale, installation and service of stainless steel wastewater treatment plants for single family and apartment buildings, hotels, restaurants, bed and breakfasts, municipalities and cities. Our company also specializes in machining, concrete mix recycling, installation work and project development.

We are engaged in the development and production of forgings and components for rolling stock, trucks, construction, mining and agricultural machinery. We offer stampings, draw gears, bumpers, bolts and tow hooks. We perform material cutting and heating, stamping, heat treating, machining, welding and forging.

We offer locksmithing, welding, turning, milling and drilling. We provide metallurgical material, castings and model equipment. We manufacture chain conveyors.

We offer locksmith and metalworking services. We manufacture shafts, pins, various types of bushings, gears, nuts and other products that can be produced on machine tools. We are able to machine welds on horizontal boring machines. We can cut and bend sheet metal.

We manufacture mining machinery and equipment including custom engineering. We offer belt and rack conveyors, overhead conveyors, mine cars, gates, profile cutters and benders, and handling equipment. We also manufacture spare parts and belt conveyor drives. We provide service.

We manufacture hydraulic cylinders for mining machinery. We also offer shafts and pins. We provide machining - turning, milling, grinding and rolling. We provide consulting in the field and project activities.

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.

Our company operates as a small business and technical group, specializing in the field of engineering production in the Czech Republic and Slovakia. Our customers are companies producing various machines, equipment and technological lines. Territorially we are focused on Western Europe.