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'Heihe' (; "Black River") is a city in Heilongjiang, China.
It is located at , on the Russian border, on the south bank of the Amur River, across the river from the Russian city of Blagoveshchensk. Heihe has a population of about 113,000.
Today Heihe, which forms a free-trade zone with Blagoveshchensk, is a major centre of Sino-Russian trade.

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★ Aigun