Haengbokhan Hongdukkae Son Kalguksu is a Korean restaurant in Suwon's Jeongja Market. It focuses on kalguksu, and also sells donkatsu and large mandu. Orders are paid for in advance, and from May to August, mul naengmyeon, bibim naengmyeon, and kongguksu are also served. The noodles are made in-house, so the thickness of the noodles is not uniform.