Location Ossam AD is situated in the Central North part of Bulgaria, in the city of Lovech 170 km from Sofia by road 2 hours by car

History reference 1980 – Year of establishment Main scope of activities – mass production of castings of spheroidal-graphite cast iron 1997 – Year of privatization by Metal Technology Group Angel Balevski Holding AD Since then Ossam AD is a member company of MTG 2001 – Ossam AD is the first Bulgaria foundry certified according to ISO 9001 2010 – production of ADI material is started In the next years new processes, methods and materials are implemented, investments in equipment and software are made and all this leads to increasing of the effectiveness and quality of the production 2015 - A huge investment is made and a new moulding line DISAMATCH 24/28 together with an automatic sand quality control mixer are bought and put in operation 2016 – 2017 – new CNC machines are bought and installed in the plant, new machining shop is fully equipped 2019 – no bake casting is implemented in the production

Facilities Open area: 69 000 sq.m. Covered area: 56 167 sq.m. Employees (2018): 220 Export share (2018): 63 % Production is organized on 3 levels: -Melting of the metal on the top -Casting and deburring on the second -Shaking out and cleaning of the parts on the first floor

Production capabilities:

Ductile cast iron – 85% Grey cast iron – 15%. Main production methods: - Mould sand casting of grey and ductile cast iron - No bake casting of parts

Poland 16%

Germany 21%

Bulgaria 37%

Austria 2%

Hungary 5%

France 7%

Latvia 4%

Sweden 1%

Russia 6%

Others 1%

OSSAM AD – Export Share by Countries (2018)

Water & Gas Supply

32%

Metal Processing Machinery

40%

Railway 11%

Road Construction

9%

Hydraulics 4%

Forklifts 1%

Electric Motors

1%

Agricultural Machinery

1% Others 1%

OSSAM AD – Industrial Markets (2018)

European quality standards for Ductile cast iron EN 1563

Indexes

Tensile strength

(N/mm2)

Yield strength

(N/mm2)

Elongation

%

EN-GJS 400-18 400 250 18

EN-GJS 400-15 400 250 15

EN-GJS 450-10 450 310 10

EN-GJS 500-7 500 320 7

EN-GJS 600-3 600 370 3

EN-GJS 700-2 700 420 2

EN-GJS 800-2 800 480 2

EN-GJS 900-2 900 600 2

European quality standard for Grey cast iron EN 1561

Indexes Tensile strength (N/mm2)

EN-GJL 100 100 to 200

EN-GJL 150 150 to 250

EN-GJL 200 200 to 300

EN-GJL 250 250 to 350

EN-GJL 300 300 to 400

EN-GJL 350 350 to 450

We guarantee stable production process and high quality parts based on our experience and production know how. The engineering development of the tooling is done by CAD/CAM software: Key Creator – Cubotek SIEMENS NX12 MAGMA 5.4 for simulation of the casting process

PRODUCTION PROCESS – Engineering department

PRODUCTION PROCESS – Patterns-making shop

We have all necessary facilities for making of the tooling in-house from • plastic • aluminium alloys • iron

The cores are made on automatic ROEPERWERK and GISAK machines using both the HOT - BOX and the COLD - BOX processes

PRODUCTION PROCESS – Sand cores-making shop

4 induction furnaces X 10 tons each 1 induction furnace X 5 tons

PRODUCTION PROCESS – Melting area

Inductotherm furnaces – 2 furnaces NEW Capacity – 6000 kg./ each

PRODUCTION PROCESS – Melting area

DISAMATCH 24 / 28 711 x 610 x 180/255 mm NEW investment in 2015

Capacity of the moulding line • 120 moulds/ hour without cores • 100 moulds / hour with cores Capacity of the mixer - 55 tons/ hour

PRODUCTION PROCESS – Moulding and casting area

Automatic moulding line with dimensions of the boxes: • 630 x 500 x 160/160 mm Capacity: 100 boxes per hour Maximal overall dimensions of the castings: 550 x 450 x 350 mm

Semi-automatic moulding line with dimensions of the boxes: • 750 x 630 x 250/320 mm Capacity: 60 boxes per hour

PRODUCTION PROCESS – Moulding and casting area

No bake casting NEW From 1 to 200 kg Single castings: up to 500 kg

PRODUCTION PROCESS – Moulding and casting area

PRODUCTION PROCESS – Deburring area

7 hanging grinding machines 3 ventilation systems Dantherm

PRODUCTION PROCESS – Deburring area

MAUS grinding machine NEW Max. part weight: 150 kg Max. fixture weight: 100 kg Max. part height: 520 mm Max. part swing: 850 mm

Koyama grinding machine NEW No of axes – 6 Total capacity (Casting + jig) – 30 kg

The machining shop is equipped with lathes, milling machines, horizontal and vertical centers – all with CNC control

PRODUCTION PROCESS – Machining shop

Vertical 5 axes machining center DOOSAN VC 630 5AX SIEMENS control system

DOOSAN VC 630 5AX – description

Table Size mm Ø 630 х 590 Weight Kg 12 500

Dimensions mm 4585 х 3200 х 3295

Max spindle speed rpm 12 000 Max spindle torque for turning N.m 155

Travel distance X –axis Mm 650 Y –axis Mm 765

Z –axis Mm 520 A Degree 150 ( + 30º / - 120º )

C Degree 360º

Accuracy positioning X/Y/Z Mm ± 0.005 Accuracy repeatability X/Y/Z Mm ± 0.002

Turret Indexing time А/С sec ± 10 Rapid traverse X/Y/Z m/ min 40 / 40 / 36 MAX Working Length Mm 500

MAX turning dia. mm Ø 730

Power kW 30 / 24

No. of tool stations Quality 40 Spindle cooling With/ Without Available

Manufacturer Country South Korea

Horizontal turning centers

DOOSAN PUMA 2600 L

GOODWAY GA 3300 LM

GOODWAY GA 2800 L

Description DOOSAN GOODWAY GOODWAY

PUMA 2600 L GA 2800 L GA 3300 LM Control System FANUC 0i FANUC 0i FANUC 0i

Kg 6700 4600 6500

Dimensions Mm 4305/1965/1903 3345x1630x1890 3165х1980х1910 Spindle speed rpm 3500 3000 3000

Max spindle torque for turning Nm 240 240 439 Travel distance X –axis Mm 260 205 260 Travel distance Z –axis Mm 1300 1230 1230 Accuracy positioning X/Z Mm ± 0.005 ± 0.005 ± 0.005

Accuracy repeatability X/Z Mm ± 0.003 ± 0.003 ± 0.003 Rapid traverse X/Z m/min 30/30 20/24 20/24

Max turning length Mm 1230 1130 1200 Max turning dia. Mm 450 350 500

Power kW 22/29.5 11/15 18.5/22 No. of tool stations Quantity 12 12 12

Cooling through tooling With/ Without Available Available Available Manufacturer Country South Korea Taiwan Taiwan

Horizontal turning centers

The high quality of the products is guaranteed by mechanical and chemical tests performed in: - Spectral laboratory

- Laboratory for analysis of the moulding and sand moulding mixtures

- Mechanical laboratory

- Metallographic laboratory

PRODUCTION PROCESS – Quality control

PRODUCTION PROCESS – Quality control

3D measuring arm NEW Romer Absolute Arm

PRODUCTION PROCESS – Quality control

3-Coordinate measuring machine DEA Global Silver Performance 07.10.07 NEW PC-DMIS CAD++ measuring software

Measuring scope (mm) X : 700 Y : 1000 Z : 660 Dimensions (mm): Length: 1250 Width: 1910 Height: 2696 Max part weight: 900 kg Table weight: 1255 kg Resolution: 0,039μm

PRODUCTION PROCESS – Wet Painting

Specification of the automatic painting line: NEW • 2 painting chambers with water separating sprayers • Rotating parts fixer positioned in front of the spraying guns with RPM variable control • Gas furnace for coating drying • Automatic conveyor • Micro-processor control painting system

PRODUCTION PROCESS – Wet Painting

Capabilities: - double layer painting - drying between the layers • 175 rotating carriers for parts • 70 kg. single carrier max load capacity • 4200 kg. max load capacity of the conveyor • 375 pieces/hour – conveyor productivity • 0.5 ÷ 2.5 m/min - variable speed control of the conveyor

PRODUCTION PROCESS – Wet Painting

• Overall dimensions of the painted parts Up to H=1000 mm and D=600 mm. • 3 automatic spraying guns DeVilbiss AG-361 for each of the painting chambers • 3 different technologies for pulverization of the material - HVLP, Trans-Tech or Conventional, using a wide range of nozzles with different dimensions for achieving finishing coats Class A, sparing paint and overspray reduction by 65%

PRODUCTION PROCESS – Single Chamber Cleaning Machine Manufacturer: PERO Model: ROBOMAT 8/U

• Painting chamber dimensions: 2.100 x 1.040 x 960 mm • Tanks: 2 - for washing and for rinsing • Load capacity: 2 tons • Spraying pressure: 3 bar • Spraying capacity: 1000 l/min • Tank 1: 1040 l • Tank 2: 1100 l • Overall dimensions of the installation: Length: 4200 mm Width: 2000 mm Height: 2700 mm • Total weight: 2200 kg

PRODUCTION PROCESS – Single Chamber Cleaning Machine

• High pressure point: 6 bar • Heating time: 2 h • Washing frame rotations: 2 rot./min • Time for washing : 4-10 min. • Temperature: up to 70 C⁰

Application of the parts Water Supply & Sewage

Hydrants Valves Fittings

Metal Processing Machinery Railway

Road Construction

Application of the parts

CERTIFICATES

ISO 9001:2015 ISO 14001:2015

TŰV certificate for Manufacturer of materials according to

Directive 97/23/EC

Q1 Quality Certificate (DB)

HPQ certificates (DB) for Spare parts for rolling stock of grey and ductile cast iron

• Long-time experience in production of ductile cast iron

• Closed production cycle

• Flexibility and customer orientation

• Experienced and skilled staff

• Contemporary Quality Management System

• Investments in new equipment

• Advanced technologies

• Competitive prices

• Favorable geographical position

OUR ADVANTAGES

METAL TECHNOLOGY GROUP AD Bulgaria Blvd. 18, Bokar 1404 Sofia BULGARIA

Tel: + 359 2 818 59 59 Fax: + 359 2 818 59 49 E-mail: mtg@mtgbg.com Web: www.mtgbg.com

OSSAM AD North Industrial Zone 5500 Lovech BULGARIA

Tel: + 359 68 601 176; + 359 68 601 178 Fax: +359 68 601 174 E-mail: ossam@mtgbg.com Web: http://ossam.mtgbg.com