1. Location: Jiaxian bean paste is produced in Jiaxian, Xinxiang City, Henan Province, and Pixian bean paste is produced in Pixian, Chengdu City, Sichuan Province.
2. Raw materials: The main raw materials of Jiaxian bean paste are soybeans, peppers and salt, and the main raw materials of Pixian bean paste are douchi, peppers and salt.
3. Production technology: Jiaxian bean paste adopts traditional fermentation technology, which requires exposure, cooking, fermentation, stirring and other links; Pixian bean paste adopts traditional koji-making technology, which needs to go through many links such as fermentation, drying, cooking and pressing.