- 1961. 06
- KOREA ABRASIVE INDUSTRIAL CO. Established by W.S. SHIN in Seoul City
- 1970. 06
- SUN ABRASIVES CO. Established in Buchon City
- 1988. 01
- SUN ABRASIVES CO., LTD. Incorporated
- 1988. 07
- Joint Venture agreement with 3M U.S.A.
- 1988. 09
- Ground breaking of new plant in Ansan City
- 1990. 12
- The construction of No. 1 maker, cloth treatment & other facilities completed
- 1996. 03
- The construction of No. 2 maker completed
- 1997. 06
- ISO 9001 Certification
- 2000. 05
- The construction of new company research institute facility completed
- 2002. 06
- The construction of Pyongtaek factory completed
- 2005. 05
- SUNMIGHT USA CORPORATION Established in California, U.S.A.
- 2012. 05
- The construction of No. 3 maker completed
- 2013. 05
- SUNMIGHT USA Moved to new 35,000 ft2 warehouse in La Mirada CA
- 2021. 02
- Total Vacuum Sanding System launched