| 2011 | 09 | Set up Sunglim Industrial Company at A San and full operation |
| 2010 | 05 | Patent application for compact low pressure form maker and registration at the Patent Office |
| 2006 | 03 | Expand Form product Line and set up of technical skills and capacity for work as specialized company |
| 2005 | 01 | Self-development of small foam maker , innovative production capacity for small form production |
| 2002 | 05 | Molding technology development for POLY URETHANE CHIP MOLD,and actual production. |
| 01 | Full operation for MARBLE PAD ( CHIP PAD) LINE |
| 2000 | 05 | Expand and relocate processing factory in current position at Ulsan Mipo National industrial complex |
| 1999 | 06 | Operation for forming line of WIND ANTINOISE PAD |
| 05 | Operation for forming line of SIDE IMPACT PAD |
| 03 | Operation for forming line of car A/REST |
| 02 | Operation for processing line of SE |
| 1998 | 12 | Business start -up of Sunglim Industrial Company |