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J.Star G.M.S Co., Ltd: Address: 603, 836 Nonhyeon-ro, Gangnamgu, Seoul, Korea; Customer Center: +82-10-4533-2013; FAX : +82-2-0000-0000

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070.7804.8830

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Company: JWCNB Co.,Ltd. / 836, Nonhyeon-ro, Gangnam-gu, Seoul, Korea / Customer Center: +82)70-7804-8830 / Fax : +82)2-511-9227 / CEO :Whon, JaeYoung / Company Registration No. : [261-81-02015] / E-mail: jwcnb2013@gmail.com / Telecommunication Services Registration No. : 2015-Seoul Gangnam-02001