What is the cost of 9.9 for intra-city travel?

Tongcheng Travel 9.9 is the service fee they charge.

Tongcheng Travel is the abbreviation of Tongcheng Network Technology Co., Ltd. It was founded in 2004 and is headquartered in Suzhou, China. It is China's leading online leisure travel service provider with more than 12,000 employees and a registered capital of 114.29 million yuan. Tongcheng Travel's rapid growth and innovative business model have won the favor of the capital market and strong support from the industry. It has successively received hundreds of millions of investment from Yuanhe Holdings, Tencent Technology, Boyu Capital Wanda and other institutions; in April 2014, Tongcheng Travel received a strategic investment of more than US$200 million from Ctrip. Tongcheng Travel is a national high-tech enterprise and one of the first batch of e-commerce demonstration enterprises by the Ministry of Commerce. Tongcheng Travel has been selected into the "Top 20 China Tourism Groups" for three consecutive years, ranking 9th in 2014 and 8th in 2015. One of the three largest enterprise groups in China’s online travel industry. In the new decade, the company will take "No. 1 in leisure tourism" as its strategic goal, take attraction tickets as its entrance, and actively deploy business sectors such as peripheral travel, long-term travel, and cruise travel. Tongcheng Travel operates Tongcheng Travel Network and Tongcheng Travel mobile client. In 2014, it served approximately 30 million people, an average annual growth of 100%. In 2015, it served more than 100 million people, a year-on-year increase of 200%. Letting more people enjoy the fun of traveling and feel the beauty of life is the goal of Tongcheng Travel. On December 18, 2015, Tongcheng Travel’s first current financial product in the Internet financial field was launched, Tongtongbao. On December 29, 2017, Tongcheng Network and eLong Travel Network, a subsidiary of Tongcheng Travel Group, announced their official merger into a new company "Tongcheng Elong". On April 22, 2020, Tongcheng Elong announced the official launch of the brand upgrade. Tongcheng Travel APP and Tongcheng Elong mini program were renamed "Tongcheng Travel", and simultaneously launched a new LOGO and brand slogan "Start again, start with Tongcheng", highlighting the vitality. On January 16, 2022, Tongcheng Travel announced that Zhang Zifeng would become a new generation brand spokesperson.