Study on the optimization of technological innovation path of China's equipment manufacturing industry Research on the technological innovation level of China's equipment manufacturing industry 并列题名：Research on the technological innovation level of China's equipment manufacturing industry Transformation of economic development pattern and technological innovation of equipment manufacturing industry Overseas M&A integration and industrial innovation of China's manufacturing industry Study on efficency of technological innovation in Hi-tech industry Study on the optimization of sci-tech resource allocation of national defense industry Study on the continuous innovation realization of high-end equipment manufacturing enterprises Study on the optimization and strategy of quality inspection in the manufacturing line Study on the measurement and influencing factors of total factor productivity of China's beverage manufacturing industry