Jixi longfu service area. Jixi Longfu service area has complete supporting facilities, including accommodation, restaurants, supermarkets, gas stations, rest areas and other service facilities, which can provide people with long-term rest. The food price in the service area is cheap, so it is good for Harbin Expressway to reach Mudanjiang Jixi Longfu service area. Harbin, also known as Ice City, is a prefecture-level city, provincial capital, sub-provincial city, mega-city and the core city of Harbin-Changsha urban agglomeration under the jurisdiction of Heilongjiang Province.