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Contact Us

We always welcome any questions, comments, and suggestions.
If you have comments or questions about any of products posted on EC21, please contact the seller or buyer directly.

Headquarter office

EC21 Inc. EC21 Inc.

For International Customers


Hours : Between 9:00-12:00 and 13:00-18:00(Seoul time) Monday to Friday.

Skype ID :


For Korean Customers


Hours : Between 9:00-12:00 and 13:00-18:00(Seoul time) Monday to Friday.



Address :

5F, 11F, Trade Tower, World Trade Center, Gangnam-gu, Seoul

135-729, Korea

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