The four layers and nine fires of the Liangpi steamer are arranged. According to relevant information: "Liangpi Steamer with Four Layers and Nine Fires" refers to a steamer in the catering industry, which is divided into four layers. Each layer has nine heating tubes, which are mainly used to heat and steam Liangpi. The heating effect of this kind of steamer is relatively good, which can greatly improve the production speed and quality of cold skin. The four-layer and nine-burner Liangpi steamer can steam multiple Liangpi at the same time, improving production efficiency and suitable for commercial production.