div> Changsha Qunli Mapping Technology Co., Ltd (hereinafter referred to as Qunli Technology) is a comprehensive high-tech enterprise focusing on the sales of Surveying and mapping instruments, geophysical exploration equipment, communication equipment and GIS system software and hardware, contracting surveying and mapping engineering and GIS spatial data processing. Among them, Changsha China Surveying and mapping instrument company established in Changsha, Hunan, Sanhe surveying and mapping Co., Ltd. established in Jishou, Western Hunan and Yongzhou, southern Hunan. Qunli technology is a Swiss company CT series of Ka geodetic surveying instruments, Bosch architectural surveying instruments of Germany, Leica of Wuhan (middle latitude geomax), Beijing hezhongsizhuang jisibao handheld and GPS data collector series, Guangzhou situoli GIS data collector and three-dimensional laser scanner, Pentax full series products, ranging sensor of geqinke (Shanghai) Trading Co., Ltd., MDL three-dimensional cavity scanner of UK Tianbao 3D laser scanner of the United States, GSSI geological radar of the United States, Wuhan Dida Huarui ground geophysical exploration instrument and Wuhan Aerospace prospect aerial survey software are the general agents in Hunan. They are the full series products of American spectrum Trimble epoch, American Tianbao Trimble geodetic instrument, Guangzhou Kelida, Guangzhou Ruide geodetic exploration instrument Nikon laser ranging altimeter of Japan and doctoral ranging telescope of the United States are special agents in Hunan Province