Visitors show interest in wine produced in South Africa at the Beijing Exhibition Center in Beijing, capital of China, Nov. 24, 2011. China-Africa economic and trade cooperation is mutually beneficial, strongly boosting the common development of the two sides. Chinese President Xi Jinping will visit Tanzania, South Africa and the Republic of Congo later this month and attend the fifth BRICS summit on March 26-27 in Durban, South Africa. (Xinhua/Zhao Bing)