Light industry market. Xi' an wholesale crystal cake packaging box market is located in the west of the city, and the market name is light industry market. Crystal cake is a famous place in Xia 'ao Town, Weinan City, Shaanxi Province. According to legend, it was made by local people praising Kou Zhun in the Song Dynasty. It is completed by peeling, stuffing, crisp making, crisp wrapping, molding and other cooking steps. The crystal cake is covered with gold and silver, peeling and crisp, oily but not greasy, with heavy and sweet sugar and rich rose fragrance. After the founding of New China, crystal cakes were used by the Ministry of Commerce many times.