>>yunnan produces 98 percent of china's beans, most of it for export. but its output hardly registers on the world stage. coffee growing covers just 280 sq km, or around one sixtieth the size of beijing. >>reporter: brazil is the world's biggest coffee producer - with over 39 million bags in 2009. this is more than double the combined harvest of latin america's other big players. in africa, the beverage's birthplace, ethiopia and uganda lead the continent. while india and indonesia are serious asia producers. vietnam, with an 18 million bag harvest in 2009, is number two in the world. this dwarfs its neighbour's output - though china is doubling production to 1.5 million bags by 2015, by doubling the area under cultivation. >>reporter: it can do this as yunnan today uses only 10 percent of its territory that's suitable for coffee growing - and the province is keen to utilise much more, with an eye on the rapidly growing domestic market. >>lu: china makes up one-fifth of the world's population. so, its potential share of today's globalcoffee consumption