Research on the impact mechanism and path optimization of breakthrough technology innovation in China's high-end 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 co-evolution of institution innovation, technology innovation, and high-end in China's wood industry Research on the mechanism and path of upgrading the division position of China in the GVC of manufacturing products Research on the technological innovation level of China's equipment manufacturing industry Research on the impact of trade system on foreign investment and open innovation model in manufacturing industry The research on the co-evolution of institution innovation, technology innovation, and high-end in China's wood industry