Merchants arrange African wood carvings at the International Trade City in Yiwu, a city famous for small commodities trade in east China's Zhejiang province, Dec. 17, 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/Tan Jin)