2017. 01. Constructed a factory of MANNA Food Co., Ltd. in East Hampyeong industrial complex. (seasoned laver, laver snack, laver for gimbab, salted laver, etc.)
~ 2016
2016. 07. Established MANNA Food Co., Ltd., specialized in seasoned laver manufacturing.
2010. 05. Established BOOYOUNG Fisheries (Individual business)
1999. 04. Contract management of canteens such as the first student union of Jeonnam national university, Gwangju Sajik library, Buk-gu office, Jeollanam-do provincial office, KT north Gwangju telephone office, Jeollanam-do public official education center, Gwangju metropolitan city office, Gwangju Public Prosecutors\' Office, head office of Gwangju bank, faculty restaurant of Jeonnam national university.
1999. 01. Corporate conversion into MANNA Food Co., Ltd.