Study on the measurement and influencing factors of total factor productivity of China's beverage manufacturing industry 并列题名：Study on the measurement and influencing factors of total factor productivity of China's beverage manufacturing industry Measurement and influence mechanism of value added exports in China’s manufacturing industry 并列题名：Measurement and influence mechanism of value added exports in China’s manufacturing industry Study on the optimization of technological innovation path of China's equipment manufacturing industry Study on China's interactive effects between productive services and manufacturing industry Study on assessment and influencing factors for online media credibility of our country