| General info : | | Rollan De By is a brand name used by La Haute Couture Du Vin By Jean Guyon SASU, a wine producing company located in Bégadan, France and founded in 1989.
The Chairman of the Supervisory Board since 2005 is Jean GUYON. | |
| Websites | | http://www.greysac.com/ (www.greysac.com/) | |
| Source : | | http://www.societe.com/societe/rollan-de-by-352565519.html (www.societe.com/societe/rollan-de-by-352565519.html) | |