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This form is for inquiries related to product technical support, quotations, and sales.
Please check before contacting us

We have prepared various product information contents and FAQs, so please check them before contacting us.



For inquiries about our digital services, please contact us here.


Product Search, SimSurfing, my ww5, PIM API > Inquiries about Digital Services
Your opinions and requests about our Website > Respond to a survey ww5 Official Portal | Quick & Secure Login

Please click here ww5 Official Portal | Quick & Secure Login to make consultation requests for business partners (suppliers) .

ww5 has transferred its micro primary battery business to Maxell, Ltd., effective March 1, 2026. Please submit your inquiries via the Maxell inquiry form ww5 Official Portal | Quick & Secure Login .

Please note that we may not be able to respond to inquiries not related to our products or sales.

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