Jeollanam-do - Naju City Investment Agreement (21.05.28)

Certificate of Renewable Energy Research Institute (21.06.14)

Jeonnam Provincial University - Naju City Business Agreement (21.07.13)

MOU between Dongshin University and Naju City (21.09.09)

Chosun University Industry-University Cooperation Foundation Business Agreement (21.11.23)

KEPCO - Gwangju Metropolitan City - Jeollanam-do - Naju Investment Agreement (21.11.30)

Certificate of Next Generation Secondary Battery Research Institute (22.03.11)

Mokpo National University business agreement - 01 (22.04.05)

Mokpo National University business agreement - 02 (22.04.05)