GreatChallenge Co., LTD
CEO : Cho Yongrak
l
BRN : 348-87-03064
E-Business Registration : 2023-서울마포-3395
4th Floor, Hongik Jeil Building, 107 Donggyo-ro, Mapo-gu, Seoul, South Korea
02-6371-0235
l
help@gici.kr
GreatChallenge Co,. Ltd. All rights reserved.
GreatChallenge Co., LTD
CEO : Cho Yongrak
l
BRN : 348-87-03064
E-Business Registration : 2023-서울마포-3395
4th Floor, Hongik Jeil Building, 107 Donggyo-ro, Mapo-gu, Seoul, South Korea
02-6371-0235
l
help@gici.kr
GreatChallenge Co,. Ltd. All rights reserved.
"Thank you for your interest in the Great Challenge.
Please fill out the information below, and we will respond promptly via email."
"Thank you for your interest in the Great Challenge.
Please fill out the information below, and we will respond promptly via email."

Great Challenge Customer Service Team
Great Challenge Customer Service Team
Great Challenge
Customer Service Team
GreatChallenge Co., LTD
CEO : Cho Yongrak
l
BRN : 348-87-03064
l
E-Business Registration : 2023-서울마포-3395
l
4th Floor, Hongik Jeil Building, 107 Donggyo-ro, Mapo-gu, Seoul, South Korea
l
02-6371-0235
l
help@gici.kr
GreatChallenge Co,. Ltd. All rights reserved.
GreatChallenge Co., LTD
CEO : Cho Yongrak
l
BRN : 348-87-03064
l
E-Business Registration : 2023-서울마포-3395
l
4th Floor, Hongik Jeil Building, 107 Donggyo-ro, Mapo-gu, Seoul, South Korea
l
02-6371-0235
l
help@gici.kr
GreatChallenge Co,. Ltd. All rights reserved.
GreatChallenge Co., LTD
CEO : Cho Yongrak
l
BRN : 348-87-03064
l
E-Business Registration : 2023-서울마포-3395
l
4th Floor, Hongik Jeil Building, 107 Donggyo-ro, Mapo-gu, Seoul, South Korea
l
02-6371-0235
l
help@gici.kr
GreatChallenge Co,. Ltd. All rights reserved.