Company
- 1999. 10 Established SEWON TRADING COMPAY located in Seoul
- 2000. 01 TOLBER DIVISION distributor
- 2001. 02 Developed silver stripper for lead frame
- 2001. 04 LIMAT distributor
- 2002. 08 Sijamak agency (import of food additives)
- 2003. 06 Office relocation: Located in Sinjeong-dong, Yangcheon-gu, Seoul
- 2006. 04 Relocated and established manufacturing factory at Incheon city, Korea and changed name to SEWON APS
- 2007. 06 Developed anti-RBO for lead frame
- 2007. 11 Transaction with SAMSUNG TECHWIN, LG INNOTEK
- 2007. 12 Certification ISO 9001, 14001
- 2008. 10 Developed immersion silver for lead frame
- 2009. 06 Developed 3-valent chromate conversion coatings and chemical polishing agent for aluminum
- 2012. 11 Factory relocation: Namdong Industrial Complex, 37, Hogupo-ro 14beon-gil, Namdong-gu, Incheon
- 2014. 07 Developed chemical polishing agent, degreaser and de-smut for aluminum
- 2015. 05 Development of 10 types of aluminum-related drugs and production of catalogs
- 2015. 08 Transfer to a corporation SEWON CHEMICAL CO.,LTD
- 2019. 02 Developed electro-polishing agent and scale remover for SUS
- 2020. 09 Developed lead tab surface treat process for secondary battery
- 2021. 04 Developed photo-mask cleaner for semiconductor and display
- 2022. 11 Developed tin brightener and anti-tarnish agent for tin
- 2023. 09 SEMICON TAIWAN 2023 Participation