Dingtek locates in Beijing, and owns branches in Jinan, Tsingdao, Shenzhen,and Taiyuan. Our company dedicates at GPS/GIS, Embedded system, and automatic controlling. The business includes development, manufacturing, saling and service. After teens years accumulation, we have applied many patents and certifications, e.g. software copyright and utility model patent. Regarding customized requirement, we supply custom-oriented development and service in order to meet different users and ...