Any enterprise in this complicated market environment will come through some big and small public relations crisis, however, in this Internet highly developed, media rampant era, corporate public relations crisis spread speed is very fast, when you hesitated or deal events improperly the negative effect has been amplified with multiplying speed, improper handling will bring a devastating disaster to enterprise. Dule owns rich experience in crisis management and effective crisis management system, can carry on early warning for public opinion, public opinion analysis and emergency treatment, through reasonable crisis public relations means to solve the crisis of public opinion, trust. Followings are some successful cases.