The President of Laos, Choummaly Sayasone arrived in China Sunday, starting a week-long official visit, reported dpa. Choummaly, head of the Lao People's Revolutionary Party Central Committee, began his tour in Kunming, the capital of China's south-west Yunnan Province which borders Laos, the official Xinhua news agency reported. Bilateral trade between China and Laos, with cooperation in areas such as natural resources and infrastructure projects, reached more than 241 million dollars in 2007, state media reported.