Shiheung Plant

Shiheung Plant is where Woojin Copolymer started its operation in 1998 from establishment. 

The history of Woojin Copolymer is literally lies with Shiheung plant. 


Management / Development / Quality Control / Production

Key facts

Plant area: 6,978.8㎡

Quality, environment, management system built complying with ISO-9001, ISO-14001 criteria

RTO (Regenerative Thermal Oxidizer) for environmental protection

Production scale

CXB Liquid Epoxy 30,000 MT/year

Brominated Epoxy Oligomer 18,000 MT/year


429-913 1 Da 409 ho, 1252-10 Jeongwang-dong, Siheung-si, Gyeonggi-do, Korea

in Sihwa industrial complex

Contact number

Landline. +82-70-4188-1378 / Fax +82-31-499-0280


Gunsan Plant

​Gunsan plant is proudly newly developed plant of Woojin Copolymer.
The innovation of the company is concentrated in the site with full of potentials. 


>  Management / Production

Key Facts

>  Plant area: 23,507.7㎡

>  Operations started in Aug. 2010 with the second term of construction completed in Feb. 2011

Production scale

>  Brominated S Triazine flame retardant 7,200 MT/year

    (High Brominated Epoxy Oligomer)


>  573-540 867 Oskidodong, Gunsani, Jeonbuk, Korea (in Gunjang National Industrial Complex)

Contact number

>  Landline +82-63-461-8550 / Fax +82-63-461-8554



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WOOJIN Copolymer

Level 11, Owners Tower, 16-5, Sunaedong, Seongnam City, Kyunggido, South Korea  463-825

© 1998 by Woojin Copolymer. All right reserved.