A two-for-one-offer is available for first and economy class

Source: Oriental Sky  Publish Date: 22 December 2010
A two-for-one-offer is available for first and economy class to Europe, America, Australia and India.
In order to reward frequent flyers, CES will give out surprises on New Year’s Day
Beginning today, anyone who books a first-class or business-class ticket to Europe, America, Australia or India between January and March 2011, will be awarded an economy class ticket for any domestic flight to be used within one year.
Sales channels: The booking office can be reached directly through the CES and Customer Service Hot-line: 95530
For more details please dial Customer Service Hotline: 95530