In 2010, DTI became a proud member of Gray Line family. Main office located in Shanghai, with many veteran staff including high-quality managers, experienced operation members and multilingual expertise guides. Over 8 Daily Departures of Seat-in-coach Tours in Shanghai and it’s vicinity, Various Customized & Personalized Private Tours, Airport Transfers, 24*7 call center, guests happily choose their purchases from our sightseeing depot. Every day, many tourists are onboard Gray Line coaches and limos, escorted by consistently uniformed guides and drives, exploring culture and scenes of China.