Crystal Jade Yongsan I'Park Mall Branch is a Chinese restaurant on the 7th floor of Yongsan I'Park Mall in Seoul, serving dim sum and Chinese-style meals. Its menu includes truffle shao mai, xiao long bao, sweet and sour pork, and Shanghai-style jajangmyeon, with seasonal items such as Jeju ttak-saeu and clam noodle soup or oyster dishes. The jjamppong has a spicy broth and chewy noodles, while the sweet and sour pork pairs tender meat with a sour sauce. Weekend waits are long.