摘要：The 4th China-Africa Economic and Trade Expo will be held in Changsha, capital city of Hunan province, from June 12 to 15, said Ta

The 4th China-Africa Economic and Trade Expo will be held in Changsha, capital city of Hunan province, from June 12 to 15, said Tang Wenhong, assistant minister of commerce, at a press conference Wednesday. China has been Africa's largest trading partner for 16 consecutive years.

来源：中国网