Siau 545 is a Chinese restaurant on the basement first floor of the Park Rio shopping complex at Jamsilnaru Station, serving jjajangmyeon, jjamppong and tangsuyuk. The meat jjamppong is the representative menu item, and the jjamppong is not spicy but moderately piquant, while the tangsuyuk contains thick cuts of pork. Many customers order jjajangmyeon, jjamppong and tangsuyuk together, and jjachai and danmuji are served as basic side dishes. There is a case of a customer being told to leave within 20 to 30 minutes during a meal, with no break-time notice.