In recent years, with the rapid development of the plastics industry, and the continuous improvement of engineering plastics in the strength and precision, the application of plastic products is also expanding, such as: household electrical appliances, instruments, construction equipment, automotive, hardware and many other fields, the proportion of plastic products is rapidly increasing. A well-designed plastic parts can often replace the more traditional metal parts. Household products and plastic industrial products is rising now.

    Plastic mold is a mold used for compression, extrusion, injection, blow molding and foam molding the combination of low plastic mold, which includes the combination of substrate, die, die die components and the composition of a combination of card board variable cavity die and substrate by the combination punch, punch components, combined punch card board, cavity side cut component and combination plates cut cores with variable punch. Through the convex mold, die and auxiliary forming the coordination of changes in the system, can process different shapes, different sizes of the series of plastic parts.

　　
    Our everyday life and production used in a variety of tools and products to large machine tool base, body shell, an embryo as small screws, buttons and various household appliances in the shell, are all closely related with the mold. The shape of the mold determines the shape of these products, the quality and precision mold processing also determines the quality of these products. Materials for various products, appearance, size and use of different mold into the casting mold, forging mold, die casting mold, stamping mold and other non-plastic mold, plastic mold.