DONN originated from the top R&D teams of Nanjing University, specializing in precise positioning and intelligent perception technology for over 20 years. DONN is the pioneer in the application of outdoor DGPS technology in Chinese ports and the originator of indoor UWB technology in China. Also, DONN has won the second prize of China's National Science and Technology Progress Award that is a fitting tribute to DONN's twenty-year devoted R&am...

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