Gongpyeongok Jeju Main Branch is a naengmyeon restaurant near the Nohyeong I-Park complex in Jeju. It serves Pyeongyang naengmyeon with clear, clean beef broth and beef topping, along with deulgireum makguksu. Onyuksu comes only when requested, and yangji gukbap is served with noodles, mandu, and rice already mixed in. The gosari mandu filling is dry and crumbly.