2000's
- 2021.10Certificate of Safety & Health Management System(ISO 45001)
- 2020.02Certificate of Environmental Management System(ISO 14001)
- 2019.06Certificate of Occupational Health and Safety Management System
- 2018.03Verification of greenhouse gas energy company certification
- 2016.01FSC® CoC certification
- 2013.03Changed the company name of Hansol Papertech
- 2011.07Termination of receivership
- 2011.02Hansol Paper, acquisition of Daehan Papertech
- 2010.07Conclusion of reorganization plan admission
- 2009.06Application for commencement of reorganization procedure
- 2006.03Changed the company name of Daehan Papertech
- 2000.04Changed the company name of Doorim Paper
- 2000.02Foundation of Dongyang Paper
1990's
- 1994.09PM3 Operating
- 1987.03PM2 Operating
- 1983.07Foundation of Yangyoung Paper