Linyi steel spot market. Linyi, known as Langya and Yizhou in ancient times, is a prefecture-level city under the jurisdiction of Shandong Province. In the Linyi steel spot market in this place, the whole grain bulking machine is sold, and the bulking machine is a single-screw extrusion bulking machine. It is mainly used for food puffing, livestock and poultry feed or for puffing a single raw material, and can also be used as a pretreatment of raw materials in the production of vegetable oils and drinking wine. Twin-screw extruder is mainly used for the production and processing of high-grade aquatic products and pet materials, especially for the processing of viscous materials.