Gao Wei, CEO of Jiangsu Yadong Construction Development Corporation signs a memorandum of understanding for cooperation with Dai Evans, director of Heythorp Healthcare from UK, on December 2, 2013, on the sideline of the UK-China Business Summit held in Beijing. British Prime Minister David Cameron is currently in China on a three-day official visit. [Photo by Guo Xiaohong/China.org.cn]