Market oriented reform and technological innovation of Chinese enterprises Global manufacturing network and the technological innovation of Chinese enterprises 并列题名：Global manufacturing network and the technological innovation of Chinese enterprises Trade liberalization and technological innovation of Chinese manufacturing enterprises Research on the effect of tax preference on technological innovation efficieny of enterprises Global R&D network and innovation of Chinese enterprises 并列题名：Research on the effect of tax preference on technological innovation efficieny of enterprises Methods of product technology innovation for enterprises Research on the impact of emission trading on green innovation of Chinese enterprises Daptive evolution and competitiveness of technological innovation of agricultural leading enterprises