Are Hong Ying Toll Station and Hong Ying Service Area of Leguang Expressway the same company?

Yes Hong Ying Toll Station of Leguang Expressway and Hong Ying Service Area are the same company and belong to China Petrochemical Sales Co., Ltd. A service area is an area where mobile stations can obtain services, and usually consists of several handover areas. In this service area, users of PLMN, PSTN or ISDN can establish communication with the mobile station without knowing the actual location of the mobile station.