Customer Support

We're here to help with any questions or issues you may have. If you need assistance, please contact the Key4C Customer Support Center.

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📞 Phone Support

[phone]

• Weekdays: 09:00 AM – 05:00 PM (KST)

• Lunch Break: 12:00 PM – 01:00 PM

• Closed on weekends and public holidays

※ All times are based on Korea Standard Time

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📧 Email Support

[e-mail]

• For inquiries or suggestions, feel free to email us. We’ll get back to you as soon as possible.

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🏢 Company Information

KSMARTECH Co., Ltd.

• #1207, A-dong, Woorim Lions Valley, 168, Gasan Digital 1-ro, Geumcheon-gu, Seoul, Republic of Korea

• Tel : [phone]

• Fax : [phone]

• Website : www.ksmartech.com