Regarding foreign trade activities, while foreign trade was centrally controlled by the state, consumer goods were sent back home by Vietnamese who worked or studied in the socialist countries in the first stages up to the reunification.
就對外貿易活動而言，當對外貿易由國家集中控制時，在第一階段直到重新統一時，生活消費品被在社會主義國家工作或學習的越南人送回家。