eLong Cayman's American Depositary Shares were listed on NASDAQ.

Founding of Tongcheng Network.

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.

Tencent Investment.

Tongcheng Network launched its website "ly.com".

Ctrip investment.

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.

Completed the merger of eLong and Tongcheng Network and listed on the Main Board of the Hong Kong Stock Exchange.

Awarded “Best Mini program of the year” at the Aladdin Annual Conference.

Included in Hang Seng Composite LargeCap & MidCap Index, and Hang Seng SCHK New Economy Index.

Included in MSCI Global Standard Index.

Included in Hang Seng Tech Index.

Awarded “Best Mini-program for the first half of the year” by at the Aladdin Semi-Annual Conference.