Research on the contribution of value added tax of China's manufacturing industry 并列题名：Research on the contribution of value added tax of China's manufacturing industry Research on the institutional factors of comparative advantage of Chinese manufacturing industry Research on the declining proportion of China's manufacturing industry Research report on the development of China's manufacturing industry 并列题名：Research on the institutional factors of comparative advantage of Chinese manufacturing industry Research on the competitiveness of advanced manufacturing industry Research on the length of global value chains of China's manufacturing sectors Research on the use mechanism of intellectual property in China's remanufacturing industry Measurement and influence mechanism of value added exports in China’s manufacturing industry