Chinese Ambassador to the United States Cui Tiankai (left) talks with Serge Mombouli, ambassador of the Republic of Congo to the US, before a reception in the US to celebrate the Beijing Summit of the Forum on China-Africa Cooperation. In addition to Moussa-Adamo, hosting of the event was joined by Serge Mombouli, ambassador of the Republic of Congo to the US, and their Chinese counterpart, Cui Tiankai. He said Chinese logging companies in his country are now processing wood locally, and Chinese companies are building "amazing" roads and bridges. "The cost of Chinese infrastructure work is half of what we've been paying in the past," the envoy told China Daily. Speaking at the gathering, Chinese Ambassador Cui said China and African countries may have differences in the size of economies, cultures and political systems.