(CNN) – If you’re not South Korean, it may surprise you to know that Samsung is not just about smartphones. The hugely successful multinational has business investments in everything from military hardware to shipbuilding and hospitals. If you’re in the market for a new house you can buy a Samsung apartment. If you want to go to an amusement park there’s one made by Samsung outside the capital Seoul.

Daniel Tudor, author of Korea: The Impossible Country, tells CNN’s Matthew Chance that South Koreans view Samsung’s success with mixed emotions. On one hand, they are proud of a home-grown brand rising in prominence at home and abroad. On the other hand, Samsung has enormous economic, and thus, political clout which can lead to problems. Based on revenue, Samsung and all its interests account for a full one-fifth of South Korea’s entire economy.