Research on the status upgrading of global value chain of China's wood industry Research on the dynamic mechanism and path choice of the global value chain rising of China's timber industry Research on the global value chain of digital creative industry Research on the length of global value chains of China's manufacturing sectors Research on the upgrading of China's banking industry 并列题名：Research on the dynamic mechanism and path choice of the global value chain rising of China's timber industry Research on the driving mechanism of global value chain rising of local OEM enterprises Research on the construction of the international market power of China's apparel industry Research on the transformation and upgrading of China's marine industry Research on the capitalization course of Chinese film industry