As its economy booms, China's drive to buy African oil and other commodities has led to a big increase in two-way trade, worth $42bn (£22bn) in 2005
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Some analysts have said Africa is the only place left to go, as most of the world's other big oil reserves are already being developed by major Western energy companies.
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One of the countries taking part in the summit is Nigeria - Africa's biggest exporter of crude oil.
http://news.bbc.co.uk/1/hi/world/asia-pacific/6112360.stmsee also :
http://www.plenglish.com/article.asp?ID={FEFFD6F0-B617-4808-BD54-6B061D8AA6A0})&language=EN
Well - they've gotta use up some of that $900 billion they're sitting on somehow or other.