Vertex Star d.o.o., established in 2004 in Kragujevac, Serbia, specializes in design, engineering, and consulting for steel plants and related equipment. The company provides services including engineering design for steelmaking machinery, consulting on project management, and conducting FEM analysis. Key clients include prominent companies like Siemens and SMS Concast, showcasing Vertex Star's expertise in the steel industry.

1. VERTEX STAR d.o.o.
design and engineering, Karadjordjeva 34, 34000 Kragujevac, Serbia
www.vertex –star.com ID. No.: 20152869 VAT No. 104369505 1/17
Profile
History Established year 2004 as company for design, engineering and consulting.
Major activity is in field of steel plants and equipment for steel plants
(electric steel making), continuous casting and rolling mills.
Experience Since 1994 experience in design and engineering machines assemblies,
parts and steel structures, since 2000 experience in steel making
equipment and machines.
Services Engineering:
design and engineering of:
steelmaking equipment and machines (EAF/LF, continuous
casting, rolling mills, strip processing lines)
plant engineering,
machine assemblies and parts,
heavy machineries,
steel structures,
engineering problems solving
research , development and optimization
virtual prototyping
facility layouts
machine attached piping and field pipping (3D) and
FEM analysis (FEMAP/NASTRAN): strength, fatigue mechanics,
structure optimization and heat transfer calculation
calculations of: gears, shafts, bearings, belts, connection elements
support and supervising manufacturing/erection
commissioning
Consulting:
project management
suppliers assessment
consultation for purchasing industrial equipment
value discover analysis
cleaner production, energy efficiency, waste reduction and efficient
water utilization
Manpower 5 engineers (5 full time employed and 3 external)
2 experts for FEM analysis
1 specialist for cleaner production and energy efficiency
Insurance Professional liability insurance policy with annual limit 500.000€.
Key
customers
SMS Concast (Switzerland, Italy)
Badische Stahl Engineering (BSE)
SIEMENS VAI Metals Technologies (Austria, Germany, Czech Rep.)
Küttner (Germany)
Cleaner Production Center, Serbia
Contact Nenad Božić, founder and managing director
nenad.bozic@vertex-star.com
mobile +381 65 300 90 90
office +381 34 301 056.

2. VERTEX STAR d.o.o.
design and engineering, Karadjordjeva 34, 34000 Kragujevac, Serbia
www.vertex –star.com ID. No.: 20152869 VAT No. 104369505 2/17
Reference
Ordering party End customer Type of services Equipment / Plant
Siemens VAI MT
(former VAI Fuchs)
Germany
Revda Berezovsky /
Russia
Detail Engineering EAF Roof
EAF Gantry,
Scrap Bucket
G-Stell / Thailand Detail Engineering EAF Lower Shell
Magnitogorsk / Russia Basic / Detail
Engineering
EAF Roof,
Hot Metal Charging
Manipulator,
Scrap Bucket.
Tisco / China Facility Layout Secondary metallurgy
area
Villares / Brazil Detail Engineering EAF Upper Shell
Ares / Luxemburg Detail Engineering Twin EAF Upper
Shells
Acerinox / Spain Basic / Detail
Engineering
Scrap Bucket
Hadeed / Saudi Arabia Basic / Detail
Engineering
Twin LF Roofs
EAF Upper Shell
Stahl Gerlafingen /
Switzerland
Basic / Detail
Engineering
Ladle Car
Thamesteel / UK Basic / Detail
Engineering
EAF Roof
Drop Out Box
Stahlwerk Bous /
Germany
Detail Engineering EAF Lower Shell,
LF T&P Manipulator
Revda Berezovsky /
Russia
Detail Engineering EAF Gantry,
Scrap Bucket
Altos Hornos / Mexico Basic / Detail
Engineering
EAF Gantry,
Hot Metal Charging
Manipulator,
Slag Door Cleaner,
Scrap Bucket.
Shadeed Steel / UAE Detail Engineering EAF Gantry,
Scrap Bucket
Beshay Steel / Egypt Detail Engineering EAF Gantry,
EAF Roof,
Electrode Lifting Unit
MedSteel / Syria Detail Engineering EAF Gantry,
EAF Roof
Severstal /Russia Basic / Detail
Engineering
Shaft Furnace Roof
and Gantry
Donetsk Steel /
Ukraine
Detail Engineering EAF Gantry
Dalian Steel / China Basic /
Detail Engineering
EAF Roof

3. VERTEX STAR d.o.o.
design and engineering, Karadjordjeva 34, 34000 Kragujevac, Serbia
www.vertex –star.com ID. No.: 20152869 VAT No. 104369505 3/17
Ordering party End customer Type of services Equipment / Plant
Siemens VAI MT
(former VAI Fuchs)
Germany
Arcelor Mittal Krivoy
Rog / Ukraine
Detail Engineering LF Roof
Colakoglu / Turkey Detail Engineering EAF Gantry
Qatar Steel / Qatar Detail Engineering EAF Roof
Krakatau / Indonesia Detail Engineering EAF Roof
Talleres y Aceros
(TYASA) / Mexico
Detail Engineering Quantum EAF Upper
Shell
Baku Steel Azerbaijan Detail Engineering EAF Roof
Natsteel / Singapore Detail Engineering Off Gas Duct
Siemens VAI MT
(former VAI Tech)
Austria
Continuous Casting
Department
Internal projects Parametric basic
design and detail
engineering for
various ranges of input
parameters.
Emergency Cut Off
Gate,
Tundish Stopper Rod
Mechanism,
Dummy Bar Storage
Unit,
Withdrawal &
Straightener Unit
Cross Transfer Device
(pusher type),
Repair Stand For
Dynaflex Oscilator
Cross Transfer Device
(swinging type)
IISCO Steel / India Detail Engineering
from parametric
design
Dummy Bar Storage
Unit,
Withdrawal &
Straightener Unit
Beshay Steel / Egypt Detail Engineering
from parametric
design
Dummy Bar Storage
Unit
MedSteel / Syria Detail Engineering
from parametric
design
Withdrawal &
Straightener Unit
Severstal /Russia Detail Engineering
from parametric
design
Dummy Bar Storage
Unit
Atoun / Saudi Arabia Detail Engineering
from parametric
design
Dummy Bar Storage
Unit,
Withdrawal &
Straightener Unit
Yongfeng / China Detail Engineering
from parametric
design
Dummy Bar Storage
Unit,
Withdrawal &
Straightener Unit,
Cross Transfer Device
Xingtai / China Detail Engineering
from parametric
design
Dummy Bar Storage
Unit
Bhilai / India Detail Engineering
from parametric
Dummy Bar Storage
Unit,

4. VERTEX STAR d.o.o.
design and engineering, Karadjordjeva 34, 34000 Kragujevac, Serbia
www.vertex –star.com ID. No.: 20152869 VAT No. 104369505 4/17
Ordering party End customer Type of services Equipment / Plant
design Cross Transfer Device
Siemens VAI MT
(former VAI Tech)
Austria
Continuous Casting
Department
Arcelor Mittal Krivoy
Rog / Ukraine
Detail Engineering
from parametric
design
Dummy Bar Storage
Unit,
Cross Transfer Device
Qatar Steel / Qatar Detail Engineering
from parametric
design
Dummy Bar Storage
Unit,
Cross Transfer Device
Withdrawal &
Straightener Unit
Georgsmarienhütte,
Germany
Detail Engineering Mold for Billet Caster
Ege Celik, Turkey Detail Engineering Mold, Oscillator for
Billet Caster
Baotuo Steel Detail Engineering Mold Frame for Billet
Caster
Omutninsk Belarus Detail Engineering Mold , Oscillator,
Machine Head for
Billet Caster
Talleres y Aceros
(TYASA) / Mexico
Detail Engineering Oscillator, Machnine
Head for Billet Caster,
Dummy Bar Storage
Unit,
Cross Transfer Device
Roller Table for
Strapping and
Weighing
Siemens VAI MT
(former VAI) Austria
Hot Rolling Mills
Department
Internal project Parametric basic
design and detail
engineering
HAGC Cylinder
SMS Siemag
(former SMS Demag)
Germany
Peiner Träger /
Germany
Basic design and
detail engineering
EAF Scrap Bucket
Fuchs Technology
Germany / Switzerland
Liepajas, Latvia Detail Engineering COSS Scrap Bucket
Platforms
TAM, Iran Detail Engineering
FEM Analysis
EAF Lower Shell
Tilting Frame
Aceros Zapla,
Argentina
Detail Engineering
FEM Analysis
EAF Lower Shell,
Upper Shell and
Tilting Frame
Gustav Wieagard
Maschinenfabrik
Detail Engineering Roliing Mill / Mandrel
parts
UNIDO (United
Nations Undustrila
Development
Organization)
Electric Power
Industry of Serbia
Implemenatation of
clenar production,
energy efficiency
analysis, efficient
water utilization and
waste reduction.
Thermal Power Plants
(TENT A, TENT B, TE
Morava, TE Kolubara)
SMS Concast (IT) Vallourec &
Mannesmann, France
Basic and Detail
Engineering
EAF Shell, Gantry,
Tilting Platform
Hyundai Steel,
S. Korea
Detail Engineering EAF Slag Door, with
slag pusher

5. VERTEX STAR d.o.o.
design and engineering, Karadjordjeva 34, 34000 Kragujevac, Serbia
www.vertex –star.com ID. No.: 20152869 VAT No. 104369505 5/17
Ordering party End customer Type of services Equipment / Plant
SMS Concast (CH) TPCO, USA Basic and Detail
Engineering
Ladle Turret
Asil Celik, Turkey Basic and Detail
Engineering
Ladle Turret
Tundish, Tundish Car,
Tundish auxiliary
equipment
Gunung Steel Group,
Indonesia
Basic and Detail
Engineering
Ladle Turret
Tundish, Tundish Car,
Tundish auxiliary
equipment
Azovstal, Ukraine Basic and Detail
Engineering
Ladle Turret
Tundish, Tundish Car,
Tundish auxiliary
equipment
Kautz Vorrichtungsbau Benteler, Germany Detail Engineering EAF Roof
BGH, Germany Detail Engineering EAF Roof components
Bous, Germany Detail Engineering LF Roof
Hofors, Sweden Basic and Detail
Engineering
Tiltable Ladle Car
Badische Stahl
Engineering
Uzmetkombinat,
Uzbekistan
FEM and detail
engineering
LF Roof Arm/Column
CMC. Poland FEM and detail
engineering
EAF Tiling Platform
Pasargrad , Iran FEM and detail
engineering
EAF Gantry
modificaiotn
Arcansas, USA FEM and detail
engineering
EAF Gantry
Gerdau Diaco,
Columbia
FEM and detail
engineerig
EAF Tiling Platform
Breitenfeld, Austria Basic and Detail
Engineering
Ladle Car
Küttner Kardemir, Turkey Basic and Detail
Engineering
Lance Hoisting
Device, Silo structure
GHM, Germany Basic and Detail
Engineering
Weighing Bunkers and
Conveyors

6. VERTEX STAR d.o.o.
design and engineering, Karadjordjeva 34, 34000 Kragujevac, Serbia
www.vertex –star.com ID. No.: 20152869 VAT No. 104369505 6/17
Samples
TWIN LADLE FURNACE
ELECTRIC ARC FURNACE

7. VERTEX STAR d.o.o.
design and engineering, Karadjordjeva 34, 34000 Kragujevac, Serbia
www.vertex –star.com ID. No.: 20152869 VAT No. 104369505 7/17
LADLE TURRET
TUNDISH CAR

8. VERTEX STAR d.o.o.
design and engineering, Karadjordjeva 34, 34000 Kragujevac, Serbia
www.vertex –star.com ID. No.: 20152869 VAT No. 104369505 8/17
WATER COOLED DUCT

9. VERTEX STAR d.o.o.
design and engineering, Karadjordjeva 34, 34000 Kragujevac, Serbia
www.vertex –star.com ID. No.: 20152869 VAT No. 104369505 9/17
HOT METAL MANIPULATOR
SCRAP BUCKET

10. VERTEX STAR d.o.o.
design and engineering, Karadjordjeva 34, 34000 Kragujevac, Serbia
www.vertex –star.com ID. No.: 20152869 VAT No. 104369505 10/17
EAF LOVER SHELL

11. VERTEX STAR d.o.o.
design and engineering, Karadjordjeva 34, 34000 Kragujevac, Serbia
www.vertex –star.com ID. No.: 20152869 VAT No. 104369505 11/17
EAF UPPER SHELL
EAF ROOF

12. VERTEX STAR d.o.o.
design and engineering, Karadjordjeva 34, 34000 Kragujevac, Serbia
www.vertex –star.com ID. No.: 20152869 VAT No. 104369505 12/17
EAF TILTING FRAME

13. VERTEX STAR d.o.o.
design and engineering, Karadjordjeva 34, 34000 Kragujevac, Serbia
www.vertex –star.com ID. No.: 20152869 VAT No. 104369505 13/17
LF ROOF
CCM MOLD & OSCILATOR

14. VERTEX STAR d.o.o.
design and engineering, Karadjordjeva 34, 34000 Kragujevac, Serbia
www.vertex –star.com ID. No.: 20152869 VAT No. 104369505 14/17
WITHDRAWAL AND STRAIGTHENER UNIT / CCM
BILLET CROSS TRANSFER DEVICE

15. VERTEX STAR d.o.o.
design and engineering, Karadjordjeva 34, 34000 Kragujevac, Serbia
www.vertex –star.com ID. No.: 20152869 VAT No. 104369505 15/17
DUMMY BAR STORAGE UNIT
TUNDISH STOPER ROD
CUT OFF GATE

16. VERTEX STAR d.o.o.
design and engineering, Karadjordjeva 34, 34000 Kragujevac, Serbia
www.vertex –star.com ID. No.: 20152869 VAT No. 104369505 16/17
HAGC Cylinder – Rolling Mills
MANDREL

17. VERTEX STAR d.o.o.
design and engineering, Karadjordjeva 34, 34000 Kragujevac, Serbia
www.vertex –star.com ID. No.: 20152869 VAT No. 104369505 17/17
TOWER PLATFORMS