Zmaj d.o.o.
Serbia, 11300 Smederevo
Overview
About Zmaj d.o.o.
Who we are
Zmaj d.o.o. is company from Serbia which can offer you the services of repair welding due to the wear of rolls and rollers, crane wheels, components of construction machines ... using world-renowned technology. We have a Weldclad machine which is based on the submerged arc welding process for maximum efficiency. We have more than 70 years of experience. Our main products are: - Repair welding (rollers, crane wheels, components of construction machines) - Heat treatment (annealing and normalizing) - Precision Machining of parts - Production of metal structures and assemblies
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Smederevo, Serbia
Member since 2025
Employees20 - 50
Certificates1
Turnover< 1 Mil.
Year of foundation1954
Marketing documents
Competencies
Technologies
Welding
| Technologies | Lotsize | Length | Width | Height | Diameter | Weight | Material thickness |
|---|---|---|---|---|---|---|---|
Inert gas shielded arc welding (MIG/MAG) | 5–1,000 | 10–2,500 mm | 10–2,500 mm | 10–2,500 mm | — | from 500 kg | — |
Manual electrode welding | 1–100 | 10–1,500 mm | 10–1,500 mm | 10–1,500 mm | 30–900 mm | 0–3,000 kg | 1–50 mm |
Submerged-arc welding | 1–100 | 10–2,000 mm | 10–1,000 mm | 30–500 mm | 30–900 mm | 0–3,000 kg | 20–50 mm |
Welded constructions / Structural Steelwork
| Technologies | Length | Width | Height | Weight |
|---|---|---|---|---|
Welded constructions (weldments) | 100–2,500 mm | 100–2,500 mm | 100–2,500 mm | 25–500 kg |
Machine frames / bases / racks | 100–2,000 mm | 100–2,000 mm | 100–2,000 mm | 0–2,500 kg |
Heat Treatment
| Technologies | Lotsize | Length | Width | Height | Diameter | Weight |
|---|---|---|---|---|---|---|
Hardening and tempering | 1–20 | 100–3,000 mm | 100–1,500 mm | 100–1,500 mm | 100–1,000 mm | 0–3,000 kg |
Materials
Light metals
Aluminium and aluminium alloysMagnesium and magnesium alloysTitanium and titanium alloys
Steel
Structural steelCase hardening/tempering steelStainless steel (rust-proof V2A)Stainless steel (rust-proof V4A)Free-cutting/mild steelTool steelSpring steelCold extruding steel
Cast metals
Cast steelCast iron
Heavy metals
Copper-zinc alloys (brass)Copper and copper alloysZinc and zinc alloysSolder
Industries
Railway and rail vehicles industryMining and tunnel engineeringMechanical engineeringDrive and gear engineeringConstruction and architectural supplies
Certificates
ISO 9001:2015
Parts & Machines
Machinery (2)
1 / 2
Weldcald machine
ManufacturerWELDCALD
2 / 2
Universal lathe
ManufacturerPOTISJE ADA
2 Machinery
Contact
Location
Main locationDjure Strugara 16, 11300 Smederevo, Serbia
Company contact
Contact persons
AŠ
Aleksandar Šerović
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