With the rapid global increase in electric vehicle sales, the trend is shifting from internal combustion engines to electricity. As a result, “Noise reduction” is emerging as an important issue. The tire industry is making continuous challenges to develop sound-absorbing tires that reduce the noise of tires from outside environmental factors such as road surfaces, weather, temperature, etc. Dongeun contributes to enhancing the customer value of products through the production of adhesives, the key raw ingredient for sound-absorbing tires.