During the Fourth China-Africa Economic and Trade Expo, the Deputy Director of China Customs, Wang Lingjun, held signing ceremonies with representatives from four countries, respectively signing five agricultural and food product import protocols with the Ethiopian Ambassador to China Tafela Debe Imam, the Minister of Agriculture, Livestock and Fisheries of Congo (Brazzaville) Paul Valentin Ngobo, the Minister of Trade, Industry, Regional Integration and Employment of Gambia Baboucar Ousman Joof, and the Minister of Trade and Industry of Malawi Vutombi Kos Ogians Zasamu Mombara.