The general classification of the shoes: There are two kinds of injection molding and cold viscosity. Injection molding machine to do that is shoes, to help in the aluminum bar shoe tree on the side, the general from the turntable machine directly into PVC, TPR and other materials, forming a one-time shoe, Jordans now a PU (polyurethane chemical name) injection (machines and molds to the general The injection is not the same). Advantages: Because it is machine made, production of large, low-cost care. Disadvantages: If the style more than the trouble for mold, shoes shape difficult, not cold bonding shoes work fine, it is generally a single order for sole style.
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