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2 CONTENTS 1. COMPANY INFORMATION 2. BUSINESS 3. TECHNOLOGY 4. FACTORY 5. REFERENCE (SUPPLY LIST)

3 1. Company Information Most Efficient & Economic Steel Solution High Technology for Process Line & Rolling Mill, SPM, Leveler, Heating Furnace Service Area Engineering Technical report and Investment cost for feasibility study for investment Basic Engineering, Basic Design, Detail Design for manufacturing and each Manual for Operation, Maintenance and Commissioning Functional Description for Operation Manufacturing Guarantees manufacturing quality and on-time delivery using manufacturing management system Supervising S/V service for installation and commissioning using expert engineers having over 10Y s experience

4 1. Company Information Organization CEO Management Support Director Director Q.A. Machinery Basic Design Electrical Basic Design S/V for Installation & Test Technical Sales(Colligation) Project Management Machinery Detail Design Electrical Detail Design Construction Design for Civil, Machinery and Electric Machinery Manufacturing Machinery Assembling

5 1. Company Information CERTIFICATES Holding Certificates Professional Engineer Industry measurement control Electrical Engineer Engineer Electric Work Engineer Machinery Design Korea Construction Engineer (Special for Machinery) Korea Construction Engineer (Special for Electric)

6 1. Company Information CERTIFICATES

7 2. Business Hot Rolling Coating Line [Reduction Mill] Reduction Mill Skin Pass Mill Leveler Scale Breaker [Aux Equipment] Process Entry/Eixt Recoiling Line Reheating Furnace Cold Rolling STS/ Special

8 3. Technology Reversing Mill General Layout of RCM

9 3. Technology Reversing Mill Development Items Item Development Items Analyze CRM Process Design Tech. Control Tech. RCM Theory - Rolling Load & Power - Program development of Process analyze Engineering - Main specification - Production capacity - Drawing Analyze of control technology - Drive control - Program development of equipment control Contents Pass Schedule - Theoretical pass schedule - Program development of Pass schedule Equipment design - W/R & BUR - Chock & Bearing - Housing - Roll position system - Drive system - Coolant system Design tech. of control - Operating method - Drive system control - Threading, Speed, Tension control Result Completed the theory of CRM Process Pass schedule Engineering Design standard & Formula 3D Modeling Completed of drive control logic

10 3. Technology Reversing Mill Process Analysis & Pass Schedule Program

11 3. Technology Reversing Mill 3D-Modeling Previous interference check between equipment & Minimize design error through 3D-Modeling

12 3. Technology Reversing Mill RCM Control Function (AGC)

13 3. Technology Skin Pass Mill High Precision Roll Force System Advanced exclusive Roll Force Controller High precision position and pressure control Reflect accumulated rich experience and know-how

14 3. Technology Skin Pass Mill Compact Roll Change System No Equipment Activity Description Start Finish Push up cylinder Master off (Short open position) Push up cylinder Quick open Lower BUR Drive stop Anti-crimping roll Quick open Upper BUR Drive stop Crown in & balance Down WR keeper plate Open Push-pull car Forward (low speed) Push-pull car Forward (high speed) Push-pull car Forward (low speed) Push-pull car Hook close Push-pull car Backward (low speed) Push-pull car Backward (high speed) Push-pull car Backward (low speed) Push-pull car Hook open Side Shifting Car Backward Push-pull car Hook close CRITICAL PATH 18 Upper BUR Clamp Cylinder down FREE FLOAT 19 Pass Line Adjust Worm jack drive Upper BUR Clamp Cylinder up Push-pull car Forward (low speed) Push-pull car Forward (high speed) Push-pull car Forward (low speed) Push-pull car Hook close WR keeper plate Close Crown in & balance Up Push up cylinder Close to Middle open pos Lower BUR Accelerate Upper BUR Accelerate Anti-crimping roll Up Push up cylinder Close to short open pos Push up cylinder Close for rolling start(kiss) Fast roll change system for attainment of line s production schedule Secure enough space for smooth material flow and maintenance

15 3. Technology Skin Pass Mill Offer optimal Operation Data Strip Spec. Line Unit Tension ( kg / mm2 ) Skin pass mill Tension leveler Strip size SPM TLV Roll force Bender force, % A-climp A-C.B. Intermesh Yp elong elong Width U.T1 T1 U.T2 T2 U.T3 T3 U.T5 T5 U.T6 (T6) kg/mm w.800 w.1000 w.1200 w.1550 height Height kg/ mm2 Thick % % Ext.1 Ext.2 A.C.B A.C.S ~1000 ~1200 ~1550 ~1860 mmmm > > Optimal operation data through flat rolling theory simulation program and regression analysis of accumulated operation data

16 3. Technology Leveler Supply optimized equipment corresponding to customer s needs 4Hi-3Unit 6Hi-3Unit 6Hi-4Unit Multi-Roller Unit

17 3. Technology Leveler No-Chattering Technology No-Chattering Quality Stable Tension Control Vibration-Free Tension Leveler Contact Condition between Roll - Maximum Clearance : 0.04 mm - Proportion of Zero" Clearance : More than 80%

18 3. Technology Leveler Easy Roll Change & Maintenance Safety and convenient roll management through simple and fast roll change system

19 3. Technology Process Entry/Exit Equipment Supply compact equipment to meet customer s needs Supply compact equipment to meet customer s needs Space minimize & Cost down through supplying compact equipment

20 3. Technology Recoiling Line Hot Rolling, Cold Rolling, STS Finishing Line Supply compact equipment to meet customer s needs Space minimize & Cost down through supplying compact equipment

21 3. Technology Reheating Furnace Eco-Reheating Furnace Space minimize & Cost down through compact facilities Energy Saving through compact design considering improvement of thermal efficiency

22 4. Factory Factory [Gimhae] 주소 : 경남김해시진례면고모로

23 4. Factory MACHINE (CNC PLANO MILLER) SPECIFICATIOM X : 10,500 Y : 4,050 Z : 4,000 CAPACITY : 60 TON

24 4. Factory MACHINE (CNC BORING MACHINE) SPECIFICATIOM X : 30,000 Y : 4,500(A Boring) Y : 6,000 (B Boring) W : 800 Z : 1,100 TWO COLUMN TYPE ROTARY TABLE(3000x4000) CAPACITY : 80 TON

25 4. Factory MACHINE (OVER HEAD CRANE) SPECIFICATIOM 150/80 TON (1ea) 30/30 (1ea)

26 4. Factory INSPECTION EQUIPMENT No. Inspection Equipment Q ty Remarks 1 Inside Micrometer 2 2 Vernier Calipers 3 3 Dial Gauge 6 4 Precision Level Gauge 3 5 Infrared Thermometer 2 6 Noise Measuring Apparatus 1

27 5. Supply List Project Equipment Specification Delivery Remarks DKC Plate Leveler Leveler 4Hi-Plate Leveler, Dry type POSCO G7CGL SPM/TLV 4Hi-SPM 1200Ton, 6Hi-2Units TL POSCO G7CGL C/Tower Cooling Tower POSCO G3CGL Leveler 6Hi-4Units, Wet Type POSCO G2POL P/Roll Pressure Roll, Hydraulic type POSTECH CRM CRM 6Hi-RCM, 150Ton, Screw Down type POSCO G3H FM Looper 6-Units(F1~F6), Hydraulic type POSCO G3POL SCB 4Hi-3Units Scale Breaker, Wet type POSCO C&C 1CGL Shear Double Cut Shear POSCO C&C 1CGL Hydraulic Hydraulic Unit POSCO 1EGL Leveler 6HI-4Units, 1.3Giga Multi Leveler POSTECH HRM HRM 4H-HRM, 150Ton, Screw Down type J)UACJ FCL Leveler 6Hi-Roller Leveler for AL JAPAN

28 5. Supply List Project Equipment Specification Delivery Remarks POSCO P1H Mill Drive RM,FM,DC Drive Unit, Lub System, Coolant POSCO P2H Mill Drive RM Drive Unit, Coolant Design POSCO G3H Mill Drive FM,FSB Drive Unit, Coupling Design(3D) POSCO G3-2CAL Drive CAL Motor Drive Unit DKC Plate Leveler Leveler Top Screw Worm Wheel DKC Furnace Furnace Lifting Bar POSCO G3-2CAL Furnace Tension Meter DK Steel EGL Leveler ACB Unit Cassette DK Steel 3CCL Leveler 6Hi-4Units, Dry type POSCO G3H Furnace Furnace COG fuel conversion POSCO C&C 2CGL POR Multi-Position Mandrel (Φ508/610) POSCO C&C 2CGL TR Belt Wrapper POSCO Mg. Mill Mill Roll Force System 18.05

29 5. Supply List

30 5. Supply List

31 5. Supply List DKC Leveler

32 5. Supply List POSCO G7CGL SPM & TL 4H-Wet Type SKIN PASS MILL 6Hi-2Unit TENSION LEVLER

33 4. Supply List POSCO G7CGL Cooling Tower

34 5. Supply List POSCO G3CGL Tension Leveler

35 5. Supply List POSTECH 6-Hi Reverse Cold Mill

36 5. Supply List POSTECH 4-Hi Hot Roughing Mill

37 5. Supply List POSCO G3H FM Looper

38 5. Supply List POSCO G1EGL Tension Leveler

39 5. Supply List JAPAN) UACJ FCL Roller Leveler

40 5. Supply List DK Steel 3CCL Tension Leveler

41 Promise to Our Customer To the World, To the Future with our Customer Have the technology to cope with various needs of customers. - Supplied POSCO SPM & Tension Leveler for Giga-High tension steel.(2016.5) - Exported Roller Leveler for Thin Aluminum to JAPAN UACJ (2017.5) Developed of Defect Prediction System based on Big-data and AI. - Supply Smart-SPM & Leveler to POSCO CGL factory ( ) Promise After Service. - Responsible for Equipment Diagnosis and Improvement (for 2 years)

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