Liaoji bangbangji and court cakes. According to the official information of Dianping. Com, Liaoji Bangbangji and Palace Pastry are famous snacks in Chengdu, and Liaoji Bangbangji and Palace Pastry in Chengdu Shuangliu Airport taste better and are well received by customers, so they are worth buying. Chengdu Shuangliu International Airport is located in the "hometown of pandas"-Chengdu, Sichuan, west of China. It is the fourth largest aviation hub in Chinese mainland and a national international aviation hub connecting the west of China with the world.