Nissenken Download Service
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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
Inquiries about tests, laws and standards etc.
General affairs・Management divisions
Business hours 9:00~17:00
(Mon. – Fri. except national holidays)