The Sunlight Rock pie series is a time-honored Chinese product, an authentic specialty of Gulangyu Island and a famous Xiamen food. It has a long history and is famous overseas.

The Sunlight Rock brand belongs to Xiamen Laozhuofang Food Industry Co., Ltd., which was restructured from the former state-owned enterprise Xiamen Xinweitian Food Industry Co., Ltd. in accordance with government policies. The company mainly produces and sells "Sunlight Rock" brand pie series and "Sunlight Rock" brand snack food series, with rich varieties, unique tastes and novel packaging, suitable for mass consumption.

The "Sunlight Rock" trademark has been rated as a famous trademark in Xiamen City, and the "Sunlight Rock" pie has received unanimous praise from consumers. Laoshoufang Company was awarded China Quality Journey and China Quality and Reputation Star Gold List Enterprise.