Contact us May 10, 2017September 30, 2018 by Joe Doe Ron’s Org Committee Max Hauri, Chairman Mazzinistrasse 7, Grenchen 2540 SwitzerlandOpening hours: Daily from 9.30-12.00 13.30-18.00 and 19.00-22.00+41 (0)32 513 72 20 Your Name (required) Your Email (required) Subject Your Message