Between 1988 and 1992 the cross-border commerce between Russia and the Heilongjiang province increased threefold, with the number of legal Chinese workers in Russia increasing from 1286 to 18905.
1988至1992年間黑龍江省和俄羅斯的跨境貿易翻了三倍，中國在俄羅斯的合法工人由1286人增至18905人。