As the core equipment of the modern footwear industry, the pu shoe sole making machine, with its efficient and precise working principle and advanced automated control technology, provides a strong guarantee for the production of high-quality PU soles. Whether it is the injection molding system, heating system, cooling system, or mold system, each component plays an irreplaceable role... https://www.hydsjmachinery.com/How-Does-a-PU-Sole-Making-Machine-Work.html