The western China surveying and mapping exhibition 2008 will be the only professional one focused on surveying and mapping instruments and 3s technologies . It will virtually be a one stop-shop for sourcing and information sharing. Numerous famous brand exhibitors were broughtin the exhibition in 2007 , such as Leica , Trimble, Sogood , Sparky Winner ,Nikon ,Unistrong, Magellon, Supermap ,Supersoft, NGC information, Graphtec ,HP ,Epson ,Context , Unis ,Canon and so on, attractingnearly 2000 knowledgeable visitors across the country. At the same time, several conferences have been held in response to the application of Lensphoto for short distance photographing and measuring, the technology sharing in Magellon ˉs new generation holding type RTK products, and the implementation and researching of 3s technologies and mobile computing in the investigation of digital resources, with the total of 260 representatives from inside and outside of China.    These conferences have showcased the latest dynamics ofchangesand the future picture about surveying and mapping technologies and 3s technologies both at home and abroad, while great response has been aroused in the community.