본문바로가기
상단메뉴바로가기
서브메뉴바로가기
YONGSAN CHEMICALS is proud of
continuous research on technology and
production of high quality products
Introduction
Chairman’s Message
Our History
Our Foundation
Our Ethics
Our Sites
Subsidiaries
Products
Product Flow Chart
Maleic Anhydride
Fumaric Acid
Tetrahydrophthalic
Anhydride
DL-Malic Acid
DAQ
R&D
Research Areas
Key Achievements
Customer Support
News
Q&As
References
Our People
Desired Abilities
and Skills
Introduction
Chairman’s Message
Our History
Our Foundation
Our Ethics
Our Sites
Subsidiaries
Our History
YONGSAN CHEMICALS has produced maleic
anhydride and its derivatives since our foundation in 1973.
We have made the utmost efforts to meet the needs of our
customers by continuously improving our process and system.
2010
s
Launched Dimethylaminoethyl Acrylate
2012
Methylchloride Quaternary Salt (DAQ)
2000
s
2007
Expanded production lines for
Tetrahydrophthalic Anhydride
2005
Won USD 30 million Export Prize
2002
Acquired Korea PTG Co., Ltd.
2000
Established Yongsan Mitsui Chemicals, Inc.
1990
s
Won USD 10 million Export Prize
1999
Acquired ISO 9001 certificate
1999
Changed the company name to
1997
Yongsan Chemicals, Inc.
Started commercial
1993
production of DL-Malic Acid
1980
s
1989
Expanded maleic anhydride
production facilities
1984
Started to produce fumaric acid
1970
s
Started commercial production of
1975
maleic anhydride
Founded Daenong Petrochemical Co., Ltd
1973