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

Tel: +41 44 548 88 68 (Switzerland)

Tel: +49 15 905 172 116 (International)

†Chat: +41 79 105 56 52 (WhatsApp Business)

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

You will find our opening hours under the following link.

†Special opening hours

16.03.2020 - 20.03.2020 - Company holidays: Closed
10.04.2020 - Good Friday: Closed
11.04.2020 - Holy Saturday: Closed
13.04.2020 - Easter Monday: Closed
01.05.2020 - Labor Day: Closed
21.05.2020 - Ascension: Closed
01.06.2020 - Whit Monday: Closed
01.08.2020 - National Holiday: Closed
25.12.2020 - 03.01.2021 - Company holidays: Closed