About us
We are chemists. Not distributors.
We don’t source colour. Since developing the three primaries on Korean technology in 2002 we have been the only producer in Korea synthesising liquid direct dyes for paper in‑house.
CEO
Mikyung CHA, Ph.D.
CEO · Ph.D. in Chemistry
- 01 Ph.D. in Chemistry, University of Washington
- 02 M.S. in Chemistry, Seoul National University
- 03 2003 – present · CEO, Ons Co., Ltd.
- 04 2001 – 2003 · Director of Research, Jungwoo Chem.
- 05 1992 – 2001 · Research Head, Taiheung Industries
On site
History
Since 2002
- 2002 Developed liquid dyes for corrugated paper on Korean technology
- 2003 Ons Co., Ltd. established
- 2004 Appointed by the Ministry of SMEs as a technology-innovation SME
- 2005 Developed high-concentration Yellow N · UV-curable hard coating varnish
- 2006 Developed UV-curable PC coating varnish
- 2008 Re-appointed for the technology innovation program · certified Venture Company
- 2010 Corporate R&D laboratory officially recognized
- 2011 Developed and supplied LC-MN reactive liquid crystal
- 2013 Started LCD photo-alignment layer production · developed leather liquid dyes
- 2014 Developed export-grade paper liquid dyes — began exports to Indonesia and the Philippines
- 2017 Developed four photochromic dye colours
- 2018 Developed and began exporting micro-encapsulated photochromic dye · developed liquid deicer
- 2021 Developed WATER HENNA liquid natural hair dye
- 2023 WATER HENNA — cleared the Korean MFDS functional-cosmetic review for greying hair
- 2025 Started production of Chelate-S heavy metal chelating agent
Credentials
Recognition
Corporate R&D Laboratory
Certification
Venture Company
Certification
Women‑Owned Business
Review
Functional Cosmetic Review — Korean MFDS
No. 20230026680
Certification
Korean Eco‑label — eco‑friendly deicer (Ministry of Climate, Energy and Environment · KEITI)
No. 33478
Patent
Natural hair dye manufacturing kit based on henna and indigo, manufacturing method thereof and hair dyeing method using the same
No. 10-2836178
Patent
Cone‑structured polysiloxane, a laminate with a superhydrophobic surface, and a method of manufacturing the laminate
No. 10-1500327
National R&D project
Procedure for producing micro‑encapsulated photochromic dye in compliance with RSL standards (SMTECH)
No. S278086
National R&D project
Improving the light fastness of micro‑encapsulated photochromic pigment (SMTECH)
No. S2690666
Export
Exporting to four markets
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