Inquiries about tests, our services etc.
your nearest laboratory for details of tests.
General affairs・Administraition HQ
+81-3-3861-2341 Fax: +81-3-3861-4280
Phone contact is available from 9:00 to 17:00 JST (Mon-Fri).
Please refer to the frequently asked questions before making a contact.
Consulting Group+81-3-5830-6030FAX 03-5830-6095
Inquiry form by E-mail
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It may take time to reply. In case of urgency, please contact the nearest laboratory by phone or fax.
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Handling of personal information (Please check the page of the basic policy regarding Nissenken personal information)
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)