Guide for Nissenken’s testing, inspection and other services.
How to apply, application forms, precautions
Inquiries about services
For inquiries about testing services.
Inquiries for OEKO-TEX®
For inquiries about OEKO-TEX® certificate.
For more information, please download the documents about our testing services.
For the frequently asked questions.
Inquiry by phone
Business hours 9:00~17:00(Mon. – Fri. except national holidays)