- maintenance work of relic management system with Relic museum in Yangsan, Gyeongnam 2013.03.29
- maintenance work of relic management system with Seoul municipal university 2013.03.28
- maintenance work of relic management computerizing system with Kyunggi university museum 2013.03.26
- maintenance work of relic management system with Ehwa women’s university museum 2013.03.26
- maintenance work of computerizing system with National museum of Korea 2013.02.27
- maintenance work of relic management with National museum of Korean contemporary history 2013.02.19