Arma
Arma is a foundry for shell castings and investment castings of steel, grey cast iron and nodular cast iron and for production of ball valves and PTFE (Teflon) parts.
The factory was established in 1971 for the production of steel castings and ball valves for industrial applications. Currently the production range includes: production of steel ball valves, steel and cast iron castings, tetrafluoroethylene coating of metal parts and tetrafluoroethylene products. Three casting methods are used for production of steel and cast iron castings - shell casting, investment (lost-wax) casting and sand casting.
Since June, 2006 Arma belongs to Metal Technology Group.
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Centromet
Centromet is a foundry for centrifugal steel and cast iron castings - tubes for chemical industry, cylinder liners for marine diesel engines and diesel generators, rolls for the ceramic industry, furnace rolls, double-layer rolls, bi-metal parts. The production range includes parts for the chemical, metallurgic, mining and machine-building industries.
Centromet was established in 1977 as scientific-production enterprise and specialises in the production of metal castings by the method of centrifugal casting.
Retaining its original activities, the company was privatised in 1999 and became a member of Metal Technology Group.
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Ossam
Ossam is a sand casting foundry for grey cast iron castings, nodular cast iron castings and ADI (austampered ductile iron) castings. Ossam is able to produce both blank castings as well as fully-machined parts.
The foundry was created for casting malleable cast iron - a material with complex technology and high power consuming production.
Since 1985 it has become the biggest and the most modern plant for production of ductile cast iron castings on the Balkan Peninsula.
After the privatization in 1997 Ossam became a member company of Metal Technology Group.
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