TRANS POWER SOLUTION POWER INNOVATION CREATOR

www.ewootec.com

TRANS POWER SOLUTIONPOWER INNOVATION CREATOR

Ewootec, Partner for Power Materials & Machinery Solution

"Technological Innovation"Ewootec has been recognized as one of the suppliers with

most innovative technology and top-notch quality by KEPCO

and many other clients. We at Ewootec have been making

strenuous effort to upgrade our technological power in

quality and performance as a leading manufacturer of

transformers, switches, other power materials and machinery.

"Trusted Partner"Ewootec is one of the best technology giants selected as

KEPCO’s Trusted Partner. We have been acclaimed by our

technology, quality, reliability, and customer satisfaction. We

also selected as "Best Quality Supplier in Power Material and

Machinery" by KEPCO.

"Sharing Dreams and Visions"We at Ewootec promise you to dream an ambitious dream

and share our vision for success with you. We will always do

our utmost as a power solution provider for your success.

Ambitious Dreams with ClientsVision for Success Shared with ClientsBest Partner with Synergy for Clients

DREAM

VISION

PARTNER

• Manufacturing and sales of power materials and machinery

• Magnetic field-based detection, operation & maintenance of underground facilities

• Manufacturing and sales of magnetic detectors, magnetic markers, GIS for underground software

• Renewable energy projects

• Cadastral surveys, geodetic surveys, underground facility surveys, and numerical mapping service

Business Areas

Company profile 5List of certifications 8Product description 9

[Transformers]High-efficiency pole-mounted transformers 10Anti-pollution pole-mounted transformers 12Amorphous metal core pole-mounted transformers 1422.9 kV pad-mounted transformers (underground) 16

[Switch]25.8 kV pad-mounted gas insulated LBS (underground) 1825.8 kV solid insulated LBS (overhead) 20

Maintenance system of underground power facility using magnetic field 22

Corrugated polyethylene pipe 26

| TABLE OF CONTENTS |

History

Ewoo Co., Ltd. established in Feb 8

Excellent tech startup selected by the Small and Medium Business Administration in July 6,

New Excellent Product (NEP) certified by the Ministry of Commerce in Jan 1

New Excellent Technology (NET) No.74 by the Ministry of Knowledge and Economy in Nov 17

New Excellent Technology & Commercialization Award by the Korean Prime Minister in Nov 4

One-KEPCO exporter designated by KEPCO in Aug 27

MOM signed with Tenanga Nasional Berhad (TNB, Malaysian power company) in Aug 4

State-of-the-art product and technology certified by the Ministry of Industry and Energy in Aug 27

KEPCO's Trusted Partner selected by KEPCO in Sept 6

Plant completion ceremony and first manufacturing ceremony held in the Energy Valley, Naju Innovative Industrial Complex in Sept 19

Performance Certificate by the Small and Medium Business Administration in Oct 14

KEPCO's Best Quality Supplier designated by KEPCO in June 27

Startup Promotion Award by the Korean Prime Minister in Nov 30

New technology research project signed on “3D underground pipeline location tracking system” in Sept 6

Development of acryl-based liquid resin (a new material) to enter the Korean and global markets in Mar

19992000

2006

2009

2009

2010

2011

2013

2013

2016

2016

2017

2017

2018

2019

Plant for Power Materials & Machinery

| Winding process of transformers

| Inside view of transformer production line

| View of corrugated pipe plant

| Copper-plate delivering ceremony commemorating No.1 manufacturer of Naju Innovative Industrial Complex (Sept 19, 2016)(From the right) Jeollahnam-do Governor Lee Nakyeon (Incumbent Prime Minister of Korea), Jo Hwanik (CEO of KEPCO), Kim Pyung (CEO of Ewootec), Jang Byeongwan (Chairman, National Assembly's Commerce Committee), & Kang Ingyu (Mayor of Naju city)

| Photo of products inspected for delivery

| Naju Plant Completion Tape-cutting & Ceremony in Energy Valley in Sept 19, 2016| Core process of transformers

| First Manufacturing Ceremony in Naju Innovative Industrial Complex

| Plant Tour for Transformers, Power Manufacturing Materials, and Machinery

The first & foremost plant operation and manufacturing in Naju Innovation Industrial Complex

Naju Plant in Energy Valley(Naju Innovative Industrial Complex)

Pole transformers

Product Capacity

High-efficiency pole-mountedtransformers

20, 30, 50, 75, 100kVA (fueled by mineral oil & natural ester oil)

Anti-pollution pole-mountedtransformers

10. 20, 30, 50, 75, 100kVA (enclosed by stainless)

Amorphous metal core pole-mountedtransformers

10, 20, 30, 50, 75, 100kVA

Pad-mounted Transformers

Product Capacity

22.9 kV compact transformersSingle-phase: 50, 100, 200kVAThree-phase: 75, 150, 300, 500kVA

Load switchgears

Product Specification

25.8 kV pad-mounted gas insulated LBS (underground)

Three-electrical circuit & three-switch (auto & manual)Four-electrical circuit & four switch (auto & manual)

25.8 kV solid insulated LBS(overhead)

630A (auto & manual)

Corrugated polyethylene pipes

Product Capacity

Corrugated polyethylenepipe (ELP electric power line)

Ø100, Ø125, Ø150, Ø175, Ø200mm

One-KEPCO Export Business GroupRegistration No. : 2010-131

Registration date: Aug 27, 2010

Certified by Korea ElectricPower Corporation

Corporate Research Institute CertificateRegistration No. : 20031308

Registration date : Apr 10, 2003

Certified by Korea IndustrialTechnology Association

ISO 9001:2015(KS Q ISO 9001:2015 / ISO 9001:2015)

Registration No. : QE130310

Registration date : Aug 2,2007

Certified by CreBizQM

KEPCO's Trusted Partner

Registration No. : 2013-KTP-053

Registration date : Sept 6, 2013


Venture BusinessCertificationRegistration No. : 20150111522

Registration date : Oct 19, 2015

Certified by Korea Technology FinanceCorporation

ISO 14001:2015(KS I ISO 14001:2015 / ISO 14001:2015)

Registration No. : QE130310

Registration date : Dec 30, 2010

Certified by CreBizQM

Performance CertificateRegistration No. : 15-1444

Registration date : Oct 14, 2016

Certified by Small & MediumBusiness Administration

Selection of best qualitysuppliers for power equipmentsRegistration No. : 2017-72

Registration date : June 27, 2017


INNO-BIZ CertificateRegistration No. : R6061-3303

Registration date : Dec 26, 2015

Certified by Small & MediumBusiness Administration

List of Certifications

Product Description

Ewootec’s Advanced Technology & Products

1110

• 22.9 kV-y, three-phase single-phase pole transformer for multi-grounding distribution system• Highly efficient transformer with minimum load loss• Radiator-free transformer with reduction of load loss and no-load loss, little noise, wide high-temperature range and slim physical structure

High-Efficiency Pole-Mounted Transformers| External dimension (KEPCO standard)

Capacity(kVA)

Dimension (mm)Weight (kg)

W D H

20 470 600 1,120 195

30 480 610 1,160 225

50 520 660 1,210 300

75 560 720 1,240 375

100 570 730 1,260 435

- Manufacturing tolerance: ±5 %

Exterior drawing

| Quality & Performance Certifications

Korea Electrotechnology Research Institute (KERI) Performance Test Certification

(Insulating oil & natural ester insulating oil)

KEPCO performance certificate

| Features

• High-efficiency transformers (in energy consumption efficiency)

- Reduction of load loss and no-load loss - Little noise - Increase in overload and harmonic wave

withstand

• Less surface needed for installation and slim pole use available (100 kVA or below)

• Environmentally-friendly with the use of natural ester oil

| Rating

• Capacity : 20, 30, 50, 75, 100 kVA (mineral oil & natural ester oil)

• Frequency : 60 Hz or upon client's requirement

• Primary voltage : 13.2 kV

• Secondary voltage : 230 v or upon client's requirement

• Tap voltage : 3 taps

| Electrical characteristics (per KEPCO standard)

Single-phase(1Φ) 13200V / 22900GrdY - 230V, 60Hz

Capacity(kVA)

Efficiency (%) Voltageregulation (%)

No-loadcurrent (%)

No-loadloss (W)

Load loss (W)100% loadLoad factor 50% Load factor 100%

20 98.61 or above 98.61 or above 1.7 1.0 48 232 or below





- KEPCO standard applied

- Specifications customizable upon client's request

High Efficiency Pole mounted Transformers

전한

+ -

EWOOTECEWOOTEC

17 . 05

전한

+ -

EWOOTECEWOOTEC

17 . 05

1312

• 22.9kV-y single-phase transformer for multi-grounding distribution system applicable in sea-side areas• Pole-mounted transformers enclosed by stainless

22.9 kV Anti-Pollution Pole-Mounted Transformers

| Electrical characteristics (KEPCO standard) Single-phase (1Φ) 13,200 V/ 22,900 rdY - 230 V, 60 Hz

Capacity(kVA)


No-loadcurrent (%)

No-loadloss (W)









- Specifications customizable upon customer’s request

| External dimension (KEPCO standard)

Capacity(kVA)


W D H

10 440 570 1,020 150

20 470 600 1,120 178

30 480 610 1,160 222

50 520 660 1,210 302

75 635 720 1,240 375

100 345 730 1,260 440


| Features • Applicable in sea-side or pollution-prone areas

• Resistable to external environment with stainless enclosure

• Damage-preventive with insulator bushing

| Rating • Capacity: 10, 20, 30, 50, 75, 100 kVA

(stainless enclosure)

• Frequency: 60Hz or upon client's requirement

• Primary voltage: 13.2 kV

• Secondary voltage: 230 v or upon client's requirement

• Tap voltage: 3 taps| Quality & Performance Certifications

Performance Test Certificate by Korea Electrotechnology

Research Institute

KEPCO Performance CertificateDirect Production Certificate by the Ministry of SMEs and

Startups

Exterior drawing

22.9kV Anti-Pollution Type Pole mounted Transformers

전한

+ -

EWOOTECEWOOTEC

17 . 05

전한

+ -

EWOOTECEWOOTEC

17 . 05

1514

Amorphous Metal Core Pole-Mounted Transformers

• 22.9 kV-y single-phase transformer for multi-grounding distribution system• Amorphous material core adopted for energy saving with remarkable no loss-load reduction

| Features • Use of amorphous metal core - One-third no loss-load compared with silicon steel plates

• Economically feasible in highly fluctuated load areas

• Decreased loss & increased overload due to narrow range of temperature rise

| Rating • Capacity : 10, 20, 30, 50, 75, 100 kVA

• Frequency : 60 Hz or upon client's requirement

• Primary voltage : 13.2 kV

• Secondary voltage : 230 V or client's requirement

• Tap voltage : 3 taps

Exterior drawing

| Electrical characteristics (KEPCO standard)

Single-Phase (1Φ) 13,200 V / 22,900 rdY - 230 V, 60 Hz

Capacity(kVA)


No-loadcurrent (%)

No-loadloss (W)






75 99.20 or above 98.60 or above 1.4 0.8 48 1,016 or below

100 99.26 or above 98.70 or above 1.3 0.7 58 1,259 or below



| External dimension (KEPCO standard)

Capacity(kVA)


W D H

10 440 570 1,020 130

20 460 600 1,120 178

30 580 660 1,110 225

50 650 720 1,160 305

75 770 770 1,200 400

100 875 805 1,260 505



Amorphous metal Core Pole mounted Transformers

Performance Test Certificate by Korea Electrotechnology

Research Institute

KEPCO Performance CertificateDirect Production Certificate by the Ministry of SMEs and

Startups

000

000

500±2

H

D

W

제조년월EWOOTEC

1716

22.9 kV Compact Pad-Mounted Transformers• Transformer installable near urban downtown areas with underground transmission and distribution lines including residential areas, schools, industrial areas, parks, golf courses, and airports.

| Features • Safety-first transformer without exposure of electric power parts such as cables and power charging parts

• Protector applicable on the primary and secondary parts

• Circuit break fuse inserted to prevent damage from possible internal and external accidents for protection of transformer and lines

• Sleek and aesthetically-designed transformer

| Rating

• Capacity : Single-phase 50, 100, 200 kVA / Three-phase 75, 150, 300, 500

• Frequency : 60Hz or upon client's requirement

• Primary voltage (kV) : 22.9

• Secondary voltage (kV) : 0.4Y/0.23 or upon client's requirement


Exterior drawing

Performance Test Certificate by Korea Electrotechnology Research Institute

(Insulating oil & natural ester insulating Oil)

KEPCO Performance Certificate

| Electrical characteristics (KEPCO standard)

1) Single-phase: [high-voltage] 1Φ 13,200 V/ 22,900 GrdY - [low-voltage] 230 V, 60 Hz

Capacity(kVA)

Efficiency (%)Voltage

regulation (%)Exciting

current (%)No-loadloss (W)

Dimensions(mm)Weight (kg)

W D H

50 98.6 1.4 0.8 105 1,000 1,000 950 620

100 98.9 1.4 0.7 175 1,000 1,000 950 800

200 98.9 1.3 0.6 300 1,000 1,400 1,150 1,300

2) Three-phase: [high-voltage] 3Φ 13,200 V / 22,900 GrdY - [low-voltage] 400 Y/230 V, 60 Hz

Capacity(kVA)

Efficiency (%)Voltage

regulation (%)Exciting

current (%)No-loadloss (W)

Dimensions(mm)Weight (kg)

W D H

75 98.5 1.8 1.7 210 1,500 1,000 1,150 1,310

150 98.6 1.5 1.6 300 1,500 1,000 1,150 1,480

300 98.7 1.4 1.0 510 1,500 1,100 1,150 1,950

500 98.8 1.3 0.8 750 1,500 1,250 1,150 2,385



22.9kV Compact Type Pad mounted Transformers

H

DW

1918

• Multi-Circuit load break switch for 22.9 kV-Y underground or ground power lines Load break switch (auto or manual):- SF6 insulating gas applied (excellent arc extinguisher)- Simple and easy control mechanism and three-grounding circuit inserted- Applicable in isolating section and main distribution lines/branches

Sf6 Gas Insulated Load Break Switch For 25.8 kV (Underground Line)

| Features • Auto or manual

• Remotely-controllable and monitoring-enabled load break switch (auto)

• Brand-new arc extinguishing technology applied with improved load switch performance and no control malfunction

• Safety devices (electrical, mechanical low pressure interlock, operation monitor, pressure relief valve for high pressure gas, and lockout)

• Gas lockout for protection from internal short accidents | Quality & Performance Certifications

Exterior drawing

Performance Test Certificate by the Korea Electrotechnology Research Institute (KERI)

(3 and 4 electrical circuits / Auto, Manual)


| Rating (KEPCO standard)

[Ratings and technical data]

Item Rating Item Rating

Rated voltage (kV) 12/25.8/36 Impulse withstand voltage (kV) 125(1.2×50㎲)

Rated current (A) 600

CONTRO

L

Rated voltage (V) AC 220V 60Hz

Rated frequency (Hz) 60 Power supply (V) DC 24V

Rated breakingcurrent (kA) 12.5 (R.M.S), 1 sec Permeable

voltage range 85~110%

Rated making vurrent (kA, peak) 32.5 (Peak), 5 times Power frequencywithstand voltage 2,000V 1 min

Input, opening time (sec) ≤0.5 Impulse withstand voltage 6kV, 3kA

Power frequency withstand voltage (kV)

Dry: 60kV 1 minRated gas pressure 0.5kg/㎠.G

Wet: 50kV 10 sec

| Dimensions & weights

Model TypeDimension (mm) Weight

(kg)W D H

33–D–M–125, 600A×3(3 electrical-circuit 3 switch)

Auto 1200 800 1300 350

Manual 1200 800 1200 300

44–D–A–125, 600A×4(4 electrical-circuit 4 switch)

Auto 1600 800 1300 450

Manual 1600 800 1200 400



SF6 Gas Insulated Load Break Swith for 25.8kV

BA C BA C BA C BA C

주 의접지회로 조작시활선표시등이 비점등시에만 조작하십시오.A B CA B C000000

1 2 3

개폐 기 성 능을 저하 시킬 수 있습니다.

주의사항

반드시 고정하 여 주십 시요. 지지하지 않고 장시간 방치시 2. 접 속케이블 접속 후에는 케이블을 케이블 써포트 볼트로

됨을 참조하시 고 이상시 당사로 연락주시기 바랍니다. 으 나 온도 변화에 따른 압 력 변화 가 아래 표와 같이 변동1. 개폐 기의 가 스 충진 은 20°C에서 0.05M Pa G. 로 충진되었

30°C 20°C 10°C 0°C -25°C0.0420.0460.0480.050.055M Pa

온도압력특성곡선

경 고접지단자를 이용하여 필히 접지 하십시요.



4주 의

접지회로 조작시활선표시등이 비점등시에만 조작하십시오.A B CA B C000000

25.8 kV600 A125 kV

12.5 kA(1sec)32.5 kA(p eak)600 A

S F GAS0.01 M Pa G

450 kg

0. 05 M Pa G정격단시간전류

중 량

제 조 번 호

가 스 량 4 kg

절연물의종류최저보증가스압력정 격 가 스 압 력

정격충격내전압

정격투입전류정격연속전류

형 식 : EGLBS-44-D-A-125정 격 전 압정격부하개폐전류

G

A1

(

21 3 4

B1

C1

B2

C2

A2

B3

C3

A3

B4

C4

A4

구 매 오더

A / S : 061) 802 - 2180~3

제 조 년 월 20 . .

번 호

2120

• Applicable to 22.9kV-Y isolating/classifying distribution sections. For insulation, epoxy and break vacuum method used instead of SF6 insulating gas.

Solid Load Break Switch for 25.8 kV (Overhead Line)

| Features • Eco-friendly break vacuum method adopted as an alternative for SF6, which is a type of greenhouse gases

• Polymer insulation method adopted as it requires no steady maintenance

• Maximum switching performance with the use of vacuum interrupter

• Auto/manual control available, and remote operation available when operating an integrated terminating device

• Insulation cover connected to charging parts to prevent accidents caused by external contacts

• Easy detection of battery status and issues (remote monitoring also available)

• Epoxy bushing highly resistible to pollution for polluted areas| Quality & performance certifications

Dimension & drawing

Performance Test Certificate by KoreaElectrotechnology Research Institute (Auto/manual)


| Rating (KEPCO standard)

Item Rating Item Rating

Rated voltage (kV) 25.8 Surface leakagedistance (mm) 645

Rated current (A) 630

CONTRO

L

Rated voltage (V) 1Φ 220V 60Hz

Mechanism Manual, Automatic Power supply (V) DC 24V

Frequency (Hz) 60 Permeable voltage range 85~110%

Short time current (kA) 12.5 (R.M.S), 1 sec Power frequency withstand voltage 2,000 V 1 min

Rated making current (kA, peak) 32.5 (peak) 5 times Impulse withstandvoltage (kV) 6kV(1.2×50㎲)

Power frequencywithstand voltage (kV)

Dry: 60 kV 1 minImpulse withstand voltage (kV) 150(1.2×50㎲)

Wet: 50 kV 10 sec


Unit Dimension(mm)

A 310

B 250

C 840

D 900

E 230

F 540

Solid Load Break Swith for 25.8kV

22.9kV630AT

C B AS R

(주)이우티이씨

22.9kV630AT

C B AS R


22.9kV630AT

C B AS R


2322

• Multi-functional system of new technology product, consisting of a location-sensing magnetic marker, marker installation & GIS database building, a magnetic detector with DGPS, and GIS software for underground facilities.

• An efficient and optimal management system for underground facilities. Digital mapping resources support more accurate and efficient management all through the stages from design to maintenance.

• The most optimal solution to prevent damage of underground facilities and the resulting large accidents caused by underground excavation based on wrong information or errors about coordinates and depth of facilities.

Magnetic field-based maintenance system for underground facilities

• Magnetic marker installation & GIS database service A pair of markers attached to the upper tier of facilities compile the GIS data using survey instruments (GIS DB: coordinates of location & depth, and facility attributes)

| Components

• Magnetic markerMagnetic marker to spur a magnetic array to show its location semi-permanently

Model Small General Medium Special

Shape

Dimension(mm) Ø20×22T Ø54×29T Ø73.5×34T 158×108×29T

Detpth(m) 0.0 ~ 0.5 0.0 ~ 1.0 1.0 ~ 1.5 1.5 ~ 3.0

• GIS software for maintenanceA GIS software that allows underground facilities to be searched, analyzed, and edited for organized management of data about magnetic marker locations and facility attributes.

• Magnetic detector

A hand-held instrument that helps users search, pin-point, measure depth and coordinates of underground facilities on the spot quickly and accurately.

| Industrial property 57

Classification Registered patents

International patent 9 International patent

Domestic patent 40 Domestic patent

Trademark & Design 8 Trademark & Design

| Certification status

Title Authority

PerformanceCertification

Small & Medium Business Administration

AdvancedTechnology & Products

Ministry of Trade, Industry and Energy

Electric Power NewTechnology

Ministry of Knowledge Economy

New Excellent Product Ministry of Knowledge Economy

| Key clients

Korea Electric Power Corporation, Korea Land & Housing Corporation, Korea District Heating Corporation, Korea Water Resources Corporation, Ministry of Land, Transport and Maritime Affairs, Korea Rural Community Corporation, Gyeonggi Urban Innovation Corporation, Seoul Housing and Communities Corporation, and local autonomous entities

GIS

2524

| Global business achievements

GIS

Software training program for PLN engineers, Indonesia

Venue PLN HQ & Menteng branch

Summary

Training on how to use GIS software and trouble-shooting for HQ engineersTraining on how to use GIS software and trouble-shooting for Menteng branch engineersA meeting held for further discussion regarding MOU

Installed markers demo for TNB members

Venue Klang & Kuala Lumpur, Malaysia

Summary

Field test & demo held in KlangSoftware update to the latest version & field test for TNB

Promotion meeting for Polish & Hungarian electric device manufacturers

Venue Warsaw, Poland / Budapest, Hungary

Summary

System briefing and consultation with 7 Polish companiesSystem briefing and consultation with 5 Hungarian companiesConsultations for exclusive agreements

System briefing meeting for SEC & MWE

Venue Meeting room at SEC & MWE

Summary

Product briefing and pilot project proposalDiscussion on future project strategy* Agreement reached for an Ewootec system pilot project

Discussion on pilot project completion & further project strategy

Venue Meeting room at PLN

Summary

Discussion on Ewootec system implementation

Tech seminar & project meeting invited by Mayor of Songwon City, China

Venue Songwon city, China

Summary

System briefing & business proposal for existing/new undergroundfacilities

Pilot project in SEC, Saudi Arabia

Venue Dammam, Saudi Arabia

Summary

Field detection demo of existing linesDGPS signal test for existing line coordinates

Installed marker detection test in Malaysia

Venue Johor Baharu

Summary

Detection demo held in Johor Baharu with the TNB working groupSecondary GIS data correction process held in the project area

Functional test and meeting held at PLN HQ & Menteng branch in Indonesia

Venue Indonesia

Summary

A visit paid to PLN Menteng branch for a meeting on existing lines,magnetic marker functionality demos, and a pilot project

Detection of installed markers in Malaysia

Venue Malaysia

Summary

Visits paid to Kemensha, Rawang, and S.G Buhlo in Malaysiafor detection of installed markers

Promotion meeting in the US

Company ConEdison, US

Venue Manhattan, New York, US

Summary

New technology briefing & demo regarding underground managementUnderground management survey (on site)Presentation on efficient underground management system

MOM signed with TNB for an export pilot project

Company TNB (Malaysian power company)

Venue TNB HQ, Malaysia

Summary

MOM signed for an export pilot project to MalaysiaTechnical presentation & demo for the pilot project

Presentation on UFMS (Underground Facilities Management System) given to working-level officials at PLN

Company Korea Land And Geospatial Informatix CORP meeting room, 2011. 10. 14

Venue PLN HQ, Jakarta, Indonesia

Summary

A meeting with PLN Vice PresidentParticipation in the distribution system seminar for a tech demo at PLNDemonstration made for PLN working-group officials

Exclusive contract made with an agency toward Malay and East Asian markets

Company RAZ Engineering (a Malay agency)

Venue KEPCO HQ, Korea

Summary

Bilateral contract made to grant and maintain exclusive rights of bothpartiesA full system (magnetic marker, magnetic detector, & GIS program)supplied on priority for a pilot project with Raz Engineering

System briefing meeting for PLN members in Indonesia

Venue Jakarta, Indonesia

Summary

Substation inspection tour in IndonesiaProduct demo & promotion activities for PLN branches

2012 WETEX, Dubai, UAE

Venue Dubai Exhibition Center

Summary

Field survey in Dubai for power distribution conditionsNew system briefing for underground facilities managementDGPS test for the world map loaded on our new product (EW-500)

System briefing meeting for Thai electric power company (MEA) in Korea

Venue Mapo Garden Hotel Business Center, Korea

Summary

Technical presentation given to MEA membersInformation exchange of current market status and further business rolemodel regarding Ewootec new technology

KOTRA-hosted exhibition in Guangzhou, China

Venue Canton Fair, China

Summary

New product briefing & exhibit (EW-500)Product demo & briefing for global buyers

Global pioneer team joint for the Central and South American markets

Venue Dallas (US), Mexico City (Mexico)

Summary

KOTRA-hosted market pioneering team joining for the Central and South American marketsConsultation with a Texas public companyConsultation with GOPTECH based in MexicoField demonstration made for companies from the US & Mexico

MOU signed with Indonesian power company (PLN)

Venue Jakarta, Indonesia

Summary

Designation of three candidate sites in Jakarta for the pilot project to implement our new technologyPilot project mutually agreed to develop a new business model

System promotion meeting in Saudi Arabia

Venue Riyadh, Saudi Arabia

Summary

New technology briefing regarding underground facilities management system Pilot project proposal and quotation offer

Tech review show with KEPCO personnel in Indonesia

Venue PLN HQ, branch & Karet Baharu, Indonesia

Summary

KEPCO's field inspection and evaluation on magnetic markersTech review with the personnel from PLN & KEPCO

26

Polyethylene corrugated pipe• A protector for electric power lines laid underground from power plant to each facility such as a plant, a substation, and a transformer. The main material is High Density Polyethylene (HDPE).

- Easy underground installation for HDPE's great flexibility and high flattening strength

- Inserted lead-in purpose wire making it easy to insert cables

- Wave-form pipes as a great solution to flattening solidity issues from existing straight polyethylene pipes

- Superior compressive strength light weight & long unit length excellent safety with minimum connection economy with enhanced work efficiency & shortened construction period

| Features

Flexible

Simply bend pipes to detour obstacles. It will make construction much easier.

Safe from ground subsidence

Excellent compressive strength ensures great pipe durability even in case of ground subsidence.

Easy to insert

Inserted wires uphold workefficiency.

Durability from compressive strength

Thick waves support compress strength and the durability helps maintain theform.

Long unit length & light weight

Light weight pipes are easily movable; long unit length can save time and manpower for connecting each pipe line.

27

| Quality & performance certifications

Specifications


Side view Accessories

| Specifications

Nominal diameter(mm)

Length(m)

Thickness(mm)

Inner diameter(mm)

Outer diameter(mm)

Peach(mm)

Compressive load[N(kgf)]

100 60 2.0 100±4.0 130±4.0 30±1.0 1530(156)

125 50 2.5 125±4.0 160±4.0 38±1.0 1912(195)

150 40 3.0 150±4.0 188±4.0 45±1.5 2295(234)

175 30 3.5 175±4.0 230±4.0 55±1.5 2677(273)

200 30 4.0 200±4.0 260±4.0 60±1.5 3059(312)

150 60 3.0 150±4.0 188±4.0 45±1.5 2295(234)

175 60 3.5 175±4.0 230±4.0 55±1.5 2677(273)

200 60 4.0 200±4.0 260±4.0 60±1.5 3059(312)


Polyethylene Corrugated Pipe

Peach

Incomingwire

Coupling Cap

Innerdiameter

Outerdiameter

EWOOTEC Co., Ltd.

Most Excellent Quality Power Material and Machinery Supplier (selected by KEPCO) | Advanced Technology & Product (certified by the Ministry of Trade, Industry and Energy) | Performance Certification (by the Ministry of SMEs and Startups) | KEPCO Trusted Partner | Electric Power New Technology (selected by the Ministry of Trade, Industry and Energy) (New Excellent Technology, NET) | New Product Certification (selected by the Ministry of Trade, Industry and Energy) (New Excellent Product) | CERTIFICATE OF Inno-Biz | Excellent Technique Grade Venture Business (certified by Korea Technology Finance Corporation | Best Value Certified by Gyeonggi Province | CERTIFICATE OF REGISTRATION Quality · Environmental Management System (by CREBIZ QM) | Corporate Research Institute (by the Korea Industrial Technology Association)

Head Office·Factory·Research Institute | TEL: 031-339-2120 / FAX: 031-339-2157 | 38, Jungbu-daero 2513beon-gil, Yangji-myeon, Cheoin-gu, Yongin-si, Gyeonggi-doBundang Office | TEL: 031-426-8323 / FAX: 031-426-8327 | 56, Dongpangyo-ro, Bundang-gu, Seongnam-si, Gyeonggi-do /Naju Factory | TEL: 061-802-2180~3 / FAX: 061-336-2157 | 36, Hyeoksinsandan 5-gil, Wanggok-myeon, Naju-si, Jeollanam-do, KoreaYeongnam Office | TEL: 051-802-5104 / FAX: 051-802-3183 | NO.1307, ACE hightech 21, 48, Centum jungang-ro, Haeundae-gu, Busan, Korea

기술혁신형 중소기업 벤처기업신제품인증전력신기술 NT산업자원부 KT과학기술부 경기도유망중소기업 우량기술기업첨단기술•제품 인증 기업부설연구소

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품질•환경경영

시스템인증한국전력성능인증

TRANS POWER SOLUTION POWER INNOVATION CREATOR

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