Safe. Gan Tong Bao is an App for public users released by Jiangxi Hi-Speed ??Investment Group Company. It mainly provides Jiangxi expressway traffic information inquiry and push, Jiangxi expressway infrastructure information inquiry, and service area mall. It is a formal company (brand) protected by official website certification laws. It is registered and certified by the Ministry of Industry and Information Technology and is legal. It holds Formal and legal business documents belong to a legitimate enterprise, and its business scope is also within the scope of legal permission, which is very safe.