An Olympic market promotion conference kicks off at Beijing Hotel on April 19. The grand two-day event attracted about 50 representatives from leading enterprises, international organizations and experts from both home and abroad. According to the organizers, there are 387 projects featured at the event that require investment co-operation, totalling about 134 billion yuan (US$16.2 billion). The projects cover a range of business opportunities, from manufacturing, agriculture, education to health, tourism and environmental protection. The two-day conference is so far the largest promotional event in Beijing to share the huge business pie with an estimated 1.5 trillion yuan (US$181 billion) of social investment leading up to 2008 event.