medium gluten flour: all purpose flour plain flour is common flour. Most Chinese snacks are made of medium gluten flour. The main nutrients are protein, carbohydrates and minerals.

High-gluten flour: refers to flour with an average protein content of about 13.5%, and usually it can be called high-gluten flour with a protein content above 11.5%. High-gluten flour is dark in color, active and smooth in itself, and it is not easy to form a ball by hand; Because of the high content of protein, it has strong gluten, and is often used to make bread and noodles with elasticity and chewiness.