Plastic mold is a kind of combined mold used for pressing, extruding, injection, blow molding and low foam molding. A series of plastic parts of different shapes and sizes can be processed by the coordination of convex and concave die and auxiliary forming system.

In recent years, with the rapid development of plastic industry and general engineering plastics in the aspects of improving strength and precision, the application range of the plastic products are also constantly expanding, such as household appliances, instrumentation, construction equipment, automotive industry, daily hardware, and many other fields, proportion of plastics is rapidly increasing. One well-designed plastic piece can often replace multiple traditional metal pieces. The trend of plastics in industrial products and daily products is rising.