As one of the earliest professional companies engaged in satellite navigation and positioning business in China, Big Dipper is committed to providing users with solutions based on satellite navigation and positioning technology. In the business field of satellite navigation and positioning products, through cooperative innovation and independent innovation, the company provides a series of products including BDNAV GNSS series boards and Beidou group user center series equipment for surveying and mapping, mechanical control, marine fishery, national defense, communication and electric power. In the field of location-based information system application business, the company deeply integrates satellite navigation and positioning, communication, geographic information and other resources with the application industry workflow through integrated innovation, which improves the production efficiency of industry users and reduces operating costs; Location-based operation service is another important strategic direction for the development of Big Dipper. The company has built a Beidou operation service network with Beidou system as the core, which integrates mobile communication system and Internet, and provides registered users with navigation and positioning, digital message communication services and location-based value-added information services. The three businesses of Big Dipper complement each other and promote each other, forming a business development model of "product+system application+operation service", and also creating a resounding satellite positioning brand of Big Dipper.