Under the motto, 'maximization of customer satisfaction', Sunghyun is a special company leading development, manufacturing and sales of automobile part materials and ship and construction finishing materials. We are now trying to lead toward the world's best company from here.

1. History
1997. 07: Established Sejeong
1999. 12: Move to the Gyeongju factory
2002. 03: Certified as a clean business
2003. 06: Registered trademark for creating people
2005. 05: Newly built the Maegok factory
2006. 04: Completed construction of the Maegok factory
2006. 05: HD/EN/CM H/Lining mass production system implemented
2007. 01: Changed the corporation name. (SejeOng=> Sunghyun)
2007. 11: ISO/TS 16949, ISO 9001 certificates
2008. 02: ISO 14001 certificates
2008. 03: Developed the vermiculite composite materials
2009. 05: Opened the research center Vermiculite board
2010. 01: Developed environment friendly high functional
2010. 04: INNOBIZ certificates
2010. 08: Applied for Sunghyun-Ecoboard trademarks
2010. 12: SINGLE PPM certificates

2. Business area
1) Automobile part material
2) Automobile part manufacturing
3) Ship equipment material
4) Construction material