Research on the 30 years of China's financial reform and opening-up Research on the changes of Chinese brand culture since reform and opening up Research on the GDP growth speed in China since the reform and opening up Research on youth development in China since the reform and opening-up Research on the 30 years of China's rural reform Research on the 30 years of China's non-state -owmed units reform and development Research on the change of mass communication policy since reform and opening-up reflections on forty years of China's reform and opening-up Research on the 30 years of China's labor and social security system reform Research on the changes of mass communication policy since reform and opening-up