Research on transformation and sustainable development of China's country regional industry Research on policy tools for sustainable development of China's tourism industry Research on the sustainable development of China's exhibition industry Research on sustainable development of Chinese tropical crops industry Investigation on the strategy in sustainable development of Chinese tea industry Research on the marketization development of China's aging industry Research on the transformation and upgrading of China's marine industry Research on transformation and development of normal colleges Research report on the development of China's manufacturing industry Institutional change and sustainable development of Chinese commercial and trade industry