A research on the technological innovation level of China's equipment manufacturing industry Research on the technological innovation level of China's equipment manufacturing industry A study on the optimization of technological innovation path of China's equipment manufacturing industry Study on the optimization of technological innovation path of China's equipment manufacturing industry Research on the declining proportion of China's manufacturing industry Research on the development strategy of China's advanced manufacturing industry The research on sustainable growth evaluation and development path of equipment manufacturing industry Research on the excess capacity over Chinese manufacturing industry Research on product innovation strategy in remanufacturing industry Research on sustainable growth evaluation and development path of equipment manufacturing industry