Reeling off our names and nationalities between East Halls 1 and 2 of convention center Tokyo Big Sight, our group introduces itself: "I'm from Thailand," "Vietnam, hi," "We're Taiwanese", "Singapore", "Korea".
Our leader, Joe Simonsen, is about to whisk us around Eco-Products 2011, a giant trade fair focusing on eco-friendly goods and services.
Oh, and I'm Matt, from England.