Bulk flour is all-purpose flour, which is ordinary flour. Most Chinese dim sum are made with all-purpose flour. The average protein content is about 11%. All-purpose flour is mostly used in making Chinese snacks, such as steamed buns, steamed buns, dumplings, etc.

Flour is a powder ground from wheat. According to the protein content in flour, it can be divided into high-gluten flour, medium-gluten flour, low-gluten flour and gluten-free flour.