Tags South Korean businesses South Korea, Viet Nam eye closer co-operation in supply chain Tuesday, Apr 14, 2020 Viet Nam and South Korea will also discuss food security, rice supply, fruit, vegetables and seafood trade amid the COVID-19 pandemic. Korean firms satisfied with investments in Viet Nam: survey Thursday, Dec 19, 2019 More than 90 per cent of businesses from the Republic of Korea (RoK) are satisfied with their investments in Viet Nam, according to a recent survey conducted by the Korea Trade and Investment Promotion Agency (KOTRA).