Overwhelming astonishing scale! Top 5 mass production factories in Korea

Overwhelming astonishing scale! Top 5 mass production factories in Korea 1. Amazing process of making canned tuna. World’s No. 1 Tuna Company 2. process of making various ice creams. 50-year-old Korean ice cream factory 3. The process of making Korean lenses you didn’t know 4. Mass production process of Korean instant noodles enjoyed by people all over the world 5. process of making dry ice by withstanding the extreme temperature of -78.5℃. Dry Ice Factory in Korea