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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

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

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.

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