Injection molding is a method of injecting heated and molten plastic material into a mold, and then cooling and solidifying to obtain a molded product. This method is suitable for mass production of products with complex shapes and occupies a large proportion in the field of plastic processing.

5 advantages of using injection molding to make plastic parts.
Detailed features and complex geometries.
high efficiency.
enhanced strength.
Ability to use multiple plastic types at the same time.
Automation to save manufacturing costs.
Bottom line.

The first stage of injection molding is to create the mold itself. Most molds are made of metal, usually aluminum or steel, and are precision machined to match the characteristics of the product they are intended to produce.

The main advantage of injection molding is the ability to scale up to produce large numbers of parts. Once the initial cost of design and tooling is covered, the manufacturing price is very low. Production costs drop as more parts are produced.