1999 saw the birth of China’s first audio tour in Hengda Company and it filled in a blank spot in Chinese intellectual audio tour.
    2001 witnessed the Award of Science and Technology rewarded to Hengda’s audio tour by Science and Technology Commission of Tianjin Municipality.
    Up to now, the audio tour has upgraded to the fifth generation, from which has derived a series of tour equipments such as automatic sensitive speech tour, wireless team tour system, wireless simultaneous interpretation system etc. By breakdown, the technology of automatic access combined with digital on demand in the fifth generation audio tour tops the world and takes a leading role around the globe.
    We have what others don’t have, we are innovative when they have, and we possess the extraordinary when they are innovative. Innovations in science and technology enable us to take a leading role in the market and also promote the thriving of science and technology in museums and tourism.