High-end EPS vacuum Pre-expander A high-end EPS vacuum pre-expander is a machine used in the production of expanded polystyrene (EPS) foam products. This pre-expander uses vacuum technology to expand the polystyrene beads before they are molded into the desired shape. The high-end features of this machine may include precise temperature and pressure control, automatic feeding systems, and advanced insulation to ensure consistent and high-quality foam products. This type of pre-expander is ideal for manufacturers who require precision and efficiency in their EPS foam production process. Hangzhou Sutuan Machinery longtime working people focus on EPS Machines and others including designing,producing,installing,and service etc . High efficient and Energy-Saving Environmental.The main products include Pre Expander, Forming Machine, Block Machine, Cutting Machine. Mach…