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Beijing Hezhong Sizhuang Technology Co., Ltd. is an enterprise in the field of satellite navigation and positioning in China, and one of the earliest companies in the field of satellite navigation and positioning in China [1]. The technology covers GPS, GLONASS, Beidou and multi system integrated navigation and positioning. It is mainly engaged in Beidou high-precision, Beidou mobile Internet [2] and spatiotemporal information application. [3] continuously deepening the application of three spatiotemporal platform products of China precision, China location and China time.
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