Open & indigenous innovation and the enhancement of international competitiveness of China's manufacturing industries Research on the evaluation and enhancement of international competitiveness of China's automotive industry Technology innovation and the international competitiveness of Chinese manufacturing Rresearch on technical standard and international competitiveness of China manufacturing industry The research on technical standard and international competitiveness of China manufacturing industry Firm multiple heterogeneity and export competitiveness of Chinese manufacturing industries Research on the digitalization of global value chain and the improvement of international division of labor status of Chinese manufacturing industry Evaluation research of international competitiveness of film industry