Years of experience place us among the leading raw material suppliers.
The quality of our services and materials comes first.
Our certificates prove that we achieve the highest standards of development and sales.
The company
About us
DOHA INVEST d.o.o. was founded in 2011, with international trade in raw materials for the steel, foundry and energy industries as its core business. Our quality is confirmed by our status as an importer and authorised recipient of excise products under tariff codes 2701 19 00, 2713 12 00 and 2701 11 00.
Thanks to our established market position and strong relationships with manufacturers around the world, we continuously develop new products and expand our customer base. We operate covered, modern storage facilities at Pod lipami 1, 1218 Komenda, Slovenia. Bulk cargo is stored at the ports of Koper, Marghera and Chioggia.
With a market-oriented approach, we adapt our products to customer requirements as closely as possible and build lasting, mutually beneficial relationships.
Product range
Steel and foundry industry

Basic pig iron
Used in the production of steel and iron castings. This material is predominantly used in the steel industry.
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Nodular pig iron
High-purity iron engineered for the production of nodular or ductile iron and graded by phosphorus content.
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Hematite pig iron
Foundry pig iron available in grades based on Si content, primarily used for grey iron castings.
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Anthracite
A hard, compact coal with high carbon content, few impurities and a high energy value.
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Calcined petroleum coke
CPC is produced by heating green petroleum coke and has a carbon content of approximately 98.5%.
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Graphite
A crystalline form of carbon with a hexagonal structure and the most stable form of carbon under standard conditions.
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A semiconductor containing silicon and carbon; synthetic SiC is widely used as an abrasive.
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Ferro alloys
Iron alloys with a high proportion of elements such as manganese, chromium or silicon, used in steel production.
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Hot briquetted iron
A premium form of DRI compacted above 650 °C, with a density greater than 5,000 kg/m³.
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Energy and cast-iron range

Steam coal
A grade of coal used in power plants to generate steam for electricity production.
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Cast iron covers
Cast iron covers for concreting, suitable for installation in a concrete slab.
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Get in touch
Contact us
Send us a message for a quotation or further information.