Yeonhwasan is an old Chinese restaurant in a longstanding neighborhood of Seoul, serving jjajangmyeon, jjamppong, and tangsuyuk. The teukjjamppong is not spicy and comes in a large portion, and the gunmandu are crisp when eaten in the store. The restaurant has rooms and space for about seven cars in front, and there is no break time. The gunmandu eaten in the store are crisper than for delivery.