Pan Xiao pineapple cake is a specialty of Taiwan Province. Because pineapple is another name of Taiwan Province Province, it is called pineapple cake, Pan Xiao. Although Pan pineapple cake is very popular in Taiwan Province, it is not officially listed for sale in Chinese mainland. Because of cross-strait relations, the sales of Taiwan Province specialty products in the mainland market are restricted. So if you want to taste Pan pineapple cake, you need to go to Taiwan Province Province or buy it through other channels.