1966.04 Established Daeyoung Electrical Engineering Co.


1980.05 Company name changed to Daeyoung Ultrasonic Co., Ltd.
1985.07 Joined Electronic Industries Association of Korea

1990.10 Established branch office in Pusan, Korea
1991.03 Joined Korea International Trade Association
1991.07 Joined Korea Association of Plastics Machine Industries
1995.11 Established branch office in Daegu, Korea
1997.09 Made a cooperation contract with Horn-Well Ultrasonic in Hong Kong

2000.09 Established second plant in Yeowol Bucheon, Korea
2001.01 Made a cooperation contract with Modern Plastic Welding in Australia
2002.02 Established a R&D laboratory in Yeowol Bucheon, Korea
2004.05 Made a cooperation contract with MTS-Telsonic in USA
2005.07 Made a cooperation contract with IMECO in India
2005.08 Made a cooperation contract with Farashid Peyvand in Iran

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