I have seen the article which says that Vietnam government plans elimination of import duties on parts and materials for assembling automobiles from this year until 2023.

I found English article too :

Import duties to be eliminated for auto parts: MoF

Read more at http://vietnamnews.vn/economy/524080/import-duties-to-be-eliminated-for-auto-parts-mof.html#ZQrkgPDvOCcjEpe1.99

Plus, Hyundai Glovis opened its office in Vietnam. I think it would be good chance for Hyundai and Hyundai’s affiliated companies.

Hyundai Glovis opens in Vietnam

http://koreajoongangdaily.joins.com/news/article/article.aspx?aid=3065986

Hyundai Glovis opens first SE Asia office in Vietnam

http://www.theinvestor.co.kr/view.php?ud=20190728000168