Jeongtonggwan is a Chinese restaurant near Busan Maritime University in Yeongdo-gu, Busan, serving jjamppong, jjajang, and tangsuyuk. Its signature gochu jjajang is made with real chili peppers chopped coarsely and stir-fried, along with squid and shrimp. Maritime University students frequent the place, and delivery orders are common. The tangsuyuk comes in a large portion.