Woojin E&T Co., Ltd.

We would like to welcome to Woojin Group and have this opportunity to express our heartfelt gratitude to all customers.

Established in 1986, Woojin Group has been remarkably positioned as one of the leaders in the world-wide high-technology-driven trends, especially telecommunications industry. This significant growth is based on our global corporate mission.

We have established overseas R&D center and technology partnerships with foreign major companies to quickly promote our overseas business and maximize market opportunities. We believe that our lots of technical approvals and authorizations reflect the results of our efforts in these fields for the past years. So, Woojin can offer a field-proven & cost-effective product with this constant investment and innovative technical know-how.

We may assure you that all Woojin people will continue to strive for our goal to achieve the best products in quality and service.

1986 Founded WooJin E&T in Feb.

1986 (Paid-in Capital 50 Million korea

won) The first manufacturing products : DIP

switch

1988 Develop Subscriber Line Test

Unit for TDX switch

Korea Telecom's and ETRI's prosperous

Firm

1989 Develop Subscriber Line Test

Unit for TDX-10 switch

1990 Founded R&D center and

Approved by the Ministry of

Science and Technology

1991 Develop Trunk Line Test Unit for TDX-10

switch

ATM Joint Development with KT&ETRI

1992 Selected as a spearhead firm

by Ministry of information and Telecommunication

Develop ISDN Test Unit for

TDX-10 switch

1993 Founded Wireless R&D Center

The first UHF/VHF Voice pager developed

in Korea

1994 Develop FLC-A Line Test Unit

Develop ICE MOS

1995 Develop ATM Cell Path Line Test Unit

Develop TQMN (Transmission Quality

Measurement Node)

Develop Trunked Radio System

1996 Develop DSU Controller for VMS

Develop ATM gate, NMS, SDNS

and Line Test Unit FLC - B

Moving Head Office & Factory

(Kynugi-Do Kunpo-City)

1997 Selected as Prospective develop

Technology Firm

Obtained ISO 9002 Certification

Develop 900MHz Cordless Phone

Honored with President's Official

Commendation as a company

has done Distinguished

1998 Service To Korean

Telecommunications industry.

Selected as R&D Venture Firm.

Devolop FRS (Family Radio

Service)

1999 ACQUIRED mEKONG Telecom

Mobile Inc. in Cambodia

Obtained ISO 9001 Certification

Devolop DECT

2000

Develop new 900MHZ Cordless