mjss

Contact

Contact

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Customer Service

You are welcome to contact us from Monday to Friday from 09:00 - 12:00 and 13:30 - 17:00 (CET).

Email: info@mjss.world

Returns of products in Switzerland

We offer you 30 days return guarantee for new products. We will gladly send you a return form by e-mail. Please note the address for returns.

WUMASO AG
Industriestrasse 25
8604 Volketswil
Switzerland

Returns of products in Europe

We offer you 30 days return guarantee for new products. We will gladly send you a return form by e-mail. Please note the address for returns.

WUMASO International GmbH
c/o Fulfillment Gustav GmbH
Gammertinger Str. 33
88499 Riedlingen
Germany

Opening hours

You will find our opening hours under the following link.