The Exhibition on the Achievements of South Africa-China Science, Technology and Innovation Cooperation was held in Pretoria, South Africa on July 23. The 54th Research Institute of China Electronics Technology Group Corporation (CETC54) has cooperated with the South African Radio Astronomy Observatory since 2008. Following the completion of the first SKA Prototype Antenna in February 2018, the second prototype antenna arrived in South Africa in June. Photos: Li Hao/GT