Transformation and upgrading of industrial structure and high quality development in China 并列题名：Transformation and upgrading of industrial structure and high quality development in China Research on the upgrading of industrial structure based on high-quality economic development Improvement of transportation infrastructure and high-quality development of export 并列题名：Optimization and upgrading of industrial structure under the background of new-type urbanization Optimization and upgrading of industrial structure under the background of new-type urbanization Research on the transformation and upgrading of China's industrial structure since the reform and opening-up Financial structure and high-quality development