Customer Support

You can ask for a quotation and download application forms here.

Global Certification Service

Your Best Partner for Worldwide Certification and Testing


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Customer Support

You can ask for a quotation and download application forms here.

mobile background

Global Certification Service

Your Best Partner for Worldwide Certification and Testing



Tel. +82-31-339-9970  |  Fax. +82-31-624-9501
http://www.e-ctk.com  |  Official Blog
Addr. 113 Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do
Business License No. 135-81-28088 | Privacy Policy

© 2019 CTK Co.,Ltd. All Rights Reserved.

Tel. +82-31-339-9970  |  Fax. +82-31-624-9501  |  http://www.e-ctk.com  |  Privacy Policy
Addr. 113 Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Republic of Korea  |  Business License No. 135-81-28088

© 2019 CTK Co.,Ltd. All Rights Reserved.