Study on exchange rate risk and the tolerance of Chinese enterprises 并列题名:Study on exchange rate risk and the tolerance of Chinese enterprises Theory of the firm and the reform of Chinese enterprises the golden key to opening the door of chinese enterprises 并列题名:Theory of the firm and the reform of Chinese enterprises study on the credit guarantee system of modern Chinese enterprises Study on technical-environment barrier and international competitiveness of Chinese enterprises Foreign exchange risk management of enterprises strategic choice and practice of Chinese enterprises Global manufacturing network and the technological innovation of Chinese enterprises