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100-74, Gwangsandan 2-ro 19beon-gil, Gangseo-gu, Busan, Korea (Jisadong)(46742) ROC Co.,LtdHours: Mon-Fri 08:30-17:30 (lunch 12:00-13:00)Closed on Saturdays, Sundays, and holidays

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Tel) +82 051-972-3505Fax) +82 051-972-3507Email) ROCcoupler@naver.com

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