Plastic molds are collectively referred to.
Injection molds are one of the plastic molds, or extrusion molds, molds and so on.
The classification of molds is also differentiated according to the processing process. Extrusion process, injection molding process, enamel molding process.
If applied, the injection molding process can only be made with a certain shape and fixed products. For example: Injection of a cell phone shell, bowl, computer shell and so on.
Extrusion is continuous extrusion production within the cross-section shape, which can be infinitely long, for example, tubes, profiles, plates, sheets, which are all made using the extrusion process.
Emulsion is like a toy played by children, hollow, to rubber round ball, is molded out.