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We realize customer satisfaction through human-centered management.

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Gemma Seoul Office
Addr
140 Guil-ro 8-gil, Guro-gu, Seoul, Korea, Post : 08323
Tel
82-2-851-6321
Fax
82-2-851-6327
Gemma Head Office
Addr
251, Sapyeong-ro, Nam-gu, Ulsan, Korea, Post : 44786