Almanac of China's Foreign Economic Relations and Trade. Almanac of China's Foreign Economic Relations and Trade Almanac of Heilongjiang's foreign economic relations and trade 并列题名：Almanac of China's Foreign Economic Relations and Trade Yearbook of Shanghai foreign economic relations and trade Almanac of Heilongjiang Foreign Economic Relations and Trade Practice in foreign economic relations and trade Almanac of Heilongjiang's Foreign Economic Relations and Trade 并列题名：Yearbook of Shanghai foreign economic relations and trade Yearbook of Shanghai foreign economic relations and trade 1997