office : 453, Songpa-daero, Songpa-gu, Seoul, Republic of Korea lab : 30, Songdomirae-ro, Yeonsu-gu, Incheon, Republic of Korea
고객센터:1833-4870
Fax:02-2038-4897
g1partners@naver.com
Mon to Fri - 10 a.m. to 5 p.m.
Lunch time - 12 p.m. to 1:30 p.m.