We Eritreans missed A golden opportunity to demonstrate at the PDAC International Convention, Trade Show & Investors Exchange is the world’s leading Convention for people, companies and organizations in, or connected with, mineral exploration. The four-day annual Convention held in Toronto in March of every year, for the world’s mineral industry. In addition to meeting over 1,000 exhibitors, 30,369 attendees from 125 countries, it allows you the opportunity to attend technical sessions, short courses as well as social and networking events.