Samsung Electronics Chairman Lee Jae-yong returned to Korea after a 10-day visit to Vietnam, Singapore and Malaysia, its key partner countries in Southeast Asia, according to the firm and market watchers, Friday. He left Korea, Dec. 21.This was his fourth overseas trip after visits to Europe in June, Central and South America as well as the United Kingdom in September and the Middle East in early December in 2022. The purpose of the latest trip was to pinpoint the next sustainable growth drivers of the firm in the decades to come.