The huge global team behind the Open Office suite of products will be holding their annual conference in Beijing, China this year. The conference proper will be on October 15-17 with tours and activities on other dates. For the schedule of activities, location and other details, see this page.
According to their site:
This annual gathering is where representatives of all the community projects meet to celebrate and learn from the achievements of the past twelve months, and discuss how to meet the challenges of the next twelve. Come along and help the community make the world’s best open-source international office suite even better.