Longkou vermicelli is a thin strip food made of mung bean starch through multiple processes. Its taste is soft and chewy, and it has a unique elasticity, which is very suitable for cooking and noodle soup.

Guanzhu Longxu is a traditional food made of mung bean starch as the main raw material, with a small amount of bean curd residue and glutinous rice flour through fermentation, steaming and drying. Its appearance presents a slender white strip with certain toughness and chewiness. Its taste is refreshing and smooth, suitable for cold salad, hot pot and so on.