China's diplomacy in 40 years since reform and opening-up China's 40 years of reform and opening-up China: 30 years of reform and opening-up China's railway in the past 40 years of reform and opening up what can we learn from 40 years of China's reform and opening-up? Chinese urban-rural disparity problems since reform and opening-up China and the world since the reform and opening-up China's fixed assets investment over the past 30 years since reform and opening-up Chinese social changes since the reform and opening up Chinese story in the world since the 1978 reform and opening up