In May 8, 2016, the Internet platform bus travel bus announced by the listed company doodle Rainbow (002256) lead investor, Guoxin funds and other institutions with investment B round of financing, this round of financing amounted to 100 million yuan, and the bus doodle said that the future will be rainbow in the new energy bus industry layout and intelligent public travel and other areas to carry out full all-round cooperation, to jointly promote the "green energy Internet Plus + intelligent public travel", build the leading platform for intelligent public traffic.China Peakedness as the exclusive financial adviser of this transaction.

The bus is the bus trip toot Internet customization platform launched by the Shenzhen science and technology Lotto, officially launched at the end of April 2015, as the market leader, in mid June 12 million Pre-A round of financing obtained by Meihua venture, Xianfeng Huaxing joint investment, then in September completed a 52 million A round of financing platform, the number of lines up to 2000, attention to the user break 1 million. The business development including Shenzhen, Beijing, more than and 10 provinces and cities in Guangzhou, Hainan, Yangshuo, Zhuhai, Hongkong, the bus scene coverage multiple direction work, train, weekend trips, independent chartered etc..

The fierce competition and the capital of winter in 2015 after the custom bus market, bus bus trip toot deep re financing, development strategy and the prospective relationship cannot do without. Approach from July last year by bus, the bus to work on the commuter toot stick position on the basis of the first to expand the tour around the train and bus market, rich scene, improve operational efficiency; to the beginning of this year, Dudu bus is the use of new energy in batches of electric bus lines as a vehicle, clutching the green travel outlet, develop new energy vehicles, layout intelligent traffic. And innovation team capital preservation cooperation model, while reducing operating costs, the force of advertising revenue, to further achieve break even.

华峰资本杨炳龙表示：“在嘟嘟巴士本轮融资中引入战略投资者彩虹精化，是出于嘟嘟巴士未来构建全国智能公共出行平台的战略考量，彩虹精化近年顺应国家新能源发展重大战略，抢先布局新能源全产业链，资源丰富实力雄厚，能与嘟嘟巴士形成强大的线上线下资源互补，在不久的将来，相信嘟嘟巴士携手彩虹精化能够构建全新的智能出行服务生态。”