Hyeongyeong is a Chinese restaurant in Seoul that serves jjajangmyeon, jjamppong, and gunmandu. It offers chadol jjamppong and basic meals, and the jjamppong broth has a spicy, smoky flavor from the wok. The restaurant operates mainly for delivery and is also a lunch spot for people who work nearby. The jjajangmyeon and jjamppong are ordinary, but the quality varies from visit to visit.