GUELPH, ON, Aug. 24, 2017 /CNW/ - The Royal Agricultural Winter Fair and Semex are happy to announce that they have entered into a three-year agreement in which Semex extends and deepens its foundational sponsorship of The Royal. Semex is the presenting sponsor of what will now be known as the Semex Ring of Excellence, the main cattle show venue at the annual 10-day Fair. Semex will also expand its commercial presence and assume presenting sponsorship of the International Business Centre.