Heihe City and Prague Weishensk, the capital of Amur State in the Russian Far East, are two sister cities on the border of 7000 kilometers between China and Russia, which are relatively close to each other. Therefore, Heihe Port has become an important channel for communication between the two countries and the two cities. Although Heihe Port is not as large as Manzhouli Port, it has formed its own characteristics with a large number of entrance and exit business, diplomats and tourists. Tax-free shops on the Chinese side of Heihe Port are also a major feature. Buying and buying have begun...