Extrusion is mainly used for the forming of metals, and it can also be used for the forming of non-metals such as plastics, rubber, graphite and clay blanks. The most used extrusion process in container fittings is the container door gasket, of course, there are bushings like door locks, container ventilators, etc.;

Stamping processing is a metal cold deformation processing method, mainly relies on the power of conventional or special stamping equipment, so that the sheet material is directly subjected to deformation force and deformation in the mold, thereby obtaining the production of product parts with certain shape, size and performance. technology. Stamping processing. Therefore, it is called cold stamping or sheet stamping, referred to as stamping. It is one of the main methods of metal plastic processing (or pressure processing) and is also part of the material forming engineering technology. Such as the bracket inside the container door lock fittings, container board processing, etc.

Forging is a combination of forging and stamping, and is a forming method for forming a part of a desired shape and size by using a hammer head, an anvil, a punch or a punching force of a forging machine to apply pressure to a blank to cause plastic deformation. . In the forging process, the billet as a whole undergoes significant plastic deformation and a large amount of plastic flow; in the stamping process, the billet is mainly formed by changing the spatial position of each part of the area, and there is no plastic flow of a large distance inside. Forging is mainly used for processing metal parts, and can also be used to process certain non-metals, such as engineering plastics, rubber, ceramic blanks, brick blanks and composite materials.