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