A syndicate founded by well-connected Cantonese entrepreneurs and their African partners, including Sonangol's chairman and tipped-to-be next President of Angola Manuel Vicente, may have taken control of one of China's most important trade channels and diverted billions of dollars to a few dozens of pockets, an article on The Economist suggests. 'Operating out of offices in Hong Kong’s Queensway, the syndicate calls itself China International Fund or China Sonangol. Over the past seven years it has signed contracts worth billions of dollars for oil, minerals and diamonds from Africa. These deals...