Address: (07788) #1108, 1109 C-dong, Doosan The Land Park 161-8, Magokjungang-ro, Gangseo-gu, Seoul, Korea (3 minute walk from Subway Line 9 Magoknaru Station, Exit 1 / 2) TEL: (82-2)854-7903~4 FAX: (82-2)2672-7975 EMAIL yuil-chemitech@hanmail.net