Molds, industrial production used for injection molding, blow molding, extrusion, die casting or forging molding, smelting, stamping and other methods to get the required products of various tools.

There are many types of molds, according to the object of processing and processing technology can be divided into: processing metal molds. Processing of non-metal and powder metallurgy mold. Including plastic molds (such as two-color molds, pressure molds and extrusion molds, etc.), rubber molds and powder metallurgy molds. According to the structural characteristics, the mold can be divided into flat, blanking die and cavity mold with space. Molds are generally single piece, small batch production.