Establishment of company (To start tire retreading at Anrak-dong, Pusan, Korea)
the virgin export of automobile Inner-tubes.
Licensed for Export and Import(No. 750893)
Awarded Export Contributor Prize from Pusan Chamber of Commerce.
Acquirement of KS(Korea Standard) mark for Tubes(No. 1559) and Retread Tires (No. 3330)
Awarded Korean Prime Minster's Prize for export contribution on the 17th Korean Export Celebrating Day.
Movement of Factory and head office to Yusan-ri, Yangsa(present location)
Awarded US$ 10 Million Export Prize from the President of Korean Government
Awarded Prize for duly paying Tax from Korean Prime Minister.
Awarded Medal from the President of Korean Government on the 12st Korean Tax Day.
Establishment of Retread & Rubber Factory at Boukjeong, Ynagsan.
Listed on Korea Stock Exchange Market (Capital : Korean won 9.5 Billion)
Awarded US$ 50 Millon Export Prize from the President of Korean Government on the 27th Korea Export Celebrating Day.
Establishment of Cheongchon Cluture Foundation.
Awarded a comendation for Peasce of Industry by Kyungnam Province governer.
Awarded Best Company Prize of 1993 Korean Management Grand Prix.
Award the Silver Medal from the President of Korean Government on th 28th Korean Tax Day.
Award the Bronze Medal from the President of Koran Government on th 29th Labor Day.
Establishment of Cheongchon Scholarship Foundation.
Acquirement of ISO 9001 Certification(TUV Rheinland, Germany)
Awarded US$ 100 Million Export Prize from the President of Korean Gorvernment on the 33rd Korean Export Celebrating Day.
Awarded the Best Company Prize for Industrial Peace Activities in 1996.
QS 9000 certified( Taeyang Plant)
Purchased Taeyang Rubber Co.,Ltd.
Accquisition of Quality Certification for Good Recycling.
Acquisition of Battery Plant.
- 2001. 06.
DONGAH celebrates its 30th anniversary.
- 2003. 06.
Electric Insulator Plant established
- 2004. 05.
Qingdao China Tube Plant established
- 2005. 03.
Press Plant established
- 2007. 02.
Qingdao DTR established
- 2009. 01.
Acquisition of DTR VMS(UK)