Seongsu China is a Chinese restaurant in the Seongsu Station Alley Shopping District, serving jjajangmyeon, jjampong, and tangsuyuk. Rice, danmuji, and onions are available for self-service at the counter. Chef Kim Jeong-dong, who has 20 years of experience in Chinese restaurants, runs the restaurant with his wife, Kim Gyeong-a. Bokkeumbap and tangsuyuk are served in separate bowls, and prices are higher than at nearby Chinese restaurants.