Can a U.S. citizen travelling in Uganda go to China Embassy in Kampala & receive a China visa?

Please respond if it is possible for a U.S. citizen travelling in Uganda from August 10 to August 16 to visit the China Embassy in Kampala Uganda to receive a China tourist type in his passport for travel to China August 24 to August 30 (his departure would be from Cincinnati, Ohio to Beijing on August 24). He would have all the required documentation (application, business invite letter with seal from China, and passport etc.) with him ready to present.