eLong was founded.
eLong Cayman's American Depositary Shares were listed on NASDAQ.
Tongcheng Network was founded.
eLong launched 24/7 user services, and became the first OTA in the PRC to offer services around the clock.
eLong launched the eLong travel, a mobile app for accommodation reservation across the world.
Launch of mobile app.
Tongcheng Network launched its website "ly.com".
The mobile app of Tongcheng Network was chosen at the Tencent Global Partner Conference as the Fastest Growing Travel Service Application.
Became the sole operator of "Rail" & "Flight" portals on Weixin's and Mobile QQ's mobile payment interface.
eLong Cayman was privatized.
Tongcheng Network was chosen by the Chinese Consumer Network as one of the Top 10 Examples of Innovative Services.
Tongcheng Network was chosen by the China Tourism Association and China Tourism Academy as a Top Five China Travel Group.
Tongcheng Network was chosen as the China Travel Brand with Greatest Growth Potential by the Hurun Research Institute.
Tongcheng Network spun off its offline travel business and transferred to Tongcheng Holdings.
The merger between eLong and Tongcheng Network was completed.