History
- 1987. 06. 01. Established Dongyang Chain Industrial Co., Ltd.
- 1987. 06. 10. Opened Seoul Logistics Center
- 1987. 08. 01. Start manufacturing conveyor chain and conveyance system
- 1990. 02. 03. Entered LGIS (OTIS-LG) 'Sung San Howi'
- 1990. 07. 30. Selected as a Great Promise Small and Medium Enterprises by Industrial Bank of Korea
- 1991. 01. 24. Registered trademark (Dongyang Chain Industrial Co., Ltd.) by Korean Intellectual Property Office
- 1998. 11. 28. Acquired I.S.O. 9002
- 2000. 02. 01. Established Dongyang Chain Sales Co., Ltd.
- 2003. 03. 10. Acquired I.S.O. 9001
- 2004. 10. 25. Registered trademark (DYC Chain, D.Y.C.) by Korean Intellectual Property Office
- 2010. 03. 08. Reacquired I.S.O. 9001
- 2011. 02. 14. Selected as a Technology Innovation Company by Small and Medium Business Administration (SMBA)
- 2011. 06. 01. Selected as a Promising Export Company by Small and Medium Enterprise Export Support Center
- 2012. 09. 01. Launched Drive Chain Business department
- 2012. 09. 01. Opened regional offices for Drive Chain Business in Seoul, Busan, and Daegu
- 2013. 01. 02. Opened Busan Logistics Center
- 2013. 04. 25. Opened Daegu Logistics Center
- 2016. 07. 20. OEM products acquired KS Certificate
- 2017. 12. 08. Acquired KS Certificate
- 2018. 06. 10. Opened Daejeon Logistics Center
