| 2009. |
Supervised The Jewelry Processing Skill Competition organized by Korea Human Resources Development Service |
| 2009. |
Steering member of Korean Royal Craft JiPyeongSunDaeJeon (2008~present) |
| 2009. |
The head of jury for The 5th Iksan Jewelry Cultural Craft Competition of Iksan |
| 2009. |
Launched the company brand “Kimchans jewelry” |
| 2006~2009 |
sold “God’s water drop” at online shopping malls |
| 2009. |
Appointed as a purchase assessment member for Iksan Jewel Museum |
| 2009. |
Appointed as the head of jury for the 4th Jewelry Cultural Crafts Competition of Iksan |
| 2007. |
Appointed as a review panel member for Vocational Training Competition |
| 2007. |
Supervised the 1st Jewelry Master Certificate Test |
| 2007. |
Appointed as an steering committee member for Iksan Jewel Museum |
| 2007. |
Appointed as a judge for the 1st Korean Royal Craft JiPyeongSunDaeJeon |
| 2007. |
Applied for 8 design rights |
| 2007. |
Selected as 2008 local specialization leaders supporting project (BoYeokSa Co., Ltd.) |
| 2007. |
Won ISO9001 certificate (BoYeokSa Co., Ltd.) |
| 2007. |
The chairman of the Technique Department of the Korean Gem Trade Association |
| 2007. |
Won the distinguished service award by the Korean Master Hand Exhibition |
| 2007. |
Won the distinguished service award by the Korean Gem Trade Association |
| 2007. |
Awarded a medal by the Minister of Labor |
| 2007. |
Served as a director of the Korean Master Hand Association |
| 2007. |
Appointed as a textbook publishing member by Korea Human Resources Development Service |
| 2006. |
Selected as one of “100 Beautiful Korean Craftsmen” by Korean Craft Promotion Foundation |
| 2006. |
Designated as “Korean Luxury Craft Development” by Korean Craft Promotion Foundation |
| 2006. |
Appointed as the head of Technique Department of the Korean Gem Trade Association |
| 2005. |
Designated as Korea’s No.1 Jewelry Process Master Hand (sole Master Hand as of 2009) by Korea Human Resources Development Service, the Ministry of Labor |
| 2001. |
Founding director of the Korean Gem Trade Association |
| 2000. |
Established BoYeokSa Corp. |
| 1993. 07 |
Founded BoYeokSa |
| 1963. |
Entered the jewelry industry by joining to Seoul Hanyang YangHang |