Mobile account, Huace account, Liu Fen account, Chihiro account, etc. According to CORS accounts provided by Sina Navigation official website: mobile phone account, Huace account, Liu Fen account, Chihiro account, etc. Based on the Beidou satellite navigation and positioning system, Sina Navigation independently grasps the core technologies of high-precision Beidou, GNSS and RTK, and is widely used in surveying and mapping, precision agriculture, UAV control, deformation monitoring, intelligent transportation, mechanical control and other fields.