- 1987Jan.1st Establishment of Chungkwangsa
- Started production for automotive parts
- 1988Being designated as the 2nd vendor for automotive parts business
- 1989Started developing and producing the steel moulds for scrap and chip conveyor chains as the first company in S. Korea
- 1990Started mass-production for chip conveyor chains
- 1995Started applying chip conveyor chains to Wia , Doosan, Hyundai, Daewoo and Tongil's machine tools
- 1998Started mass-production for scrap conveyor chains
- 1999Started strengthening the sales activities
- 2000Started exporting to Mitsubishi, Japan, etc.
- 2001Moving the factory to a larger facility to increase the production efficiency
- 2002Upgrading all the products in appearance and durability by changing all the parts to pressed type
- 2003Developed and started production for air-riveted products
- Started supplying Samsung Motors conveyor chains form their new press lines.
- Completion of steel moulds for apron(slat) conveyor chains
- 2004Started supplying POSCO apron conveyor chains for feeding thicker steel plates
- 2005Approved by Korea Enterprise Certification Institute to a credible company
- 2006Designated as a collaboration company for Ssangyong Precision Ind. Co.,Ltd.,
- Designated as a collaboration company for Huyndai-Hysco Co.,Ltd.,
- Designated as a collaboration company for POSCO Co.,Ltd.,
- Started supplying chip conveyor chains to Korea Railorad Corp.
- Applied for a patent for conveyor chain
- Approved by Korea Enterprise Certification Institute to a higher credible company
- 2007Designated as a collaboration company for POSCO C&C Co.,Ltd.,
- Designated as a collaboration company for Poongsan Co.,Ltd.,
- Corporation Obtained ISO9001:2000 & KS A 9001:2001
- 2008Started exporting to EU
- Completion of registration for a substantial examination of chain connecting roller designing for the hinge steel belt
- Completion of registration for a patent of plate assemble device for side guide of the conveyor belt
- Completion of registration for a substantial examination of the reinforcement for side wing conveyor hinge belt
