Head office : 9, Gangnam-ro, Giheung-gu, Yongin-si, Gyeonggi-do, Republic of Korea
Factory1 : (11150) 46-16, Eoryong 3-gil, Pocheon-si, Gyeongsangbuk-do, Republic of Korea
Factory2 : (12641) 2625-36, Jungbu-daero, Neungseo-myeon, Yeoju-si, Gyeonggi-do, Republic of Korea
Tel : +82-2-283-2394     FAX : +82-2-283-2395      E-MAIL : yooil@yooileng.co.kr