Seoul Semiconductor Co., Ltd.
SAMHEE INSTRUMENT CO.,LTD
SungPoong Solled Co.,Ltd.
DONGMYUNG LIGHTING CO., LTD.
KUM KYEONG Lighting Co.,Ltd.
Cheorwon Plasma Research Institute
KC Environmental Design Co., Ltd.
semiwell electronics co.,ltd
Tongil EX-Electric Co., LTD.
Korea Basic Science Institute, National Research Facilities & Equipment Center
Mutual Growth Industry Association
Korea Higt-tech Safety Industry Association