Extension of the technique of making crispy biscuits (Dingyan crispy biscuits making technique), an extension of the traditional technique category of the third batch of representative items of the municipal intangible cultural heritage of Nantong. Dingyan crispy biscuits are characterized by crispy fragrance. According to the "Dingyan Town Chronicles", during the Daoguang period of the Qing Dynasty, Dingyan crispy biscuits were sweet and crispy, and were famous in Tong, Ru, Hai, Tai, Yang and along the canal, and were as famous as Baipu dried tea. It has a unique shape, distinct layers, crispy and crunchy, and is rich in nutrition. (No pictures yet, welcome to provide.) (No pictures yet, welcome to provide.)