Cheonsan is a Chinese restaurant in Sadang Station that serves jjajang, jjamppong, and tangsuyuk. Its chadol jjamppong comes with a thick broth, and the kitchen also does fried dishes such as chapssal tangsuyuk and yurinji. The soja set pairs two dishes at a time, and the seating is on the spacious side. The ganjjajang is on the watery side.