PVC mixer is the route that the product production process passes through, that is, the route formed by a series of production activities such as processing, transportation, assembly, inspection, etc. from the beginning of raw materials entering the production site. PVC mixer is organized according to the object principle. It is a production organization form to complete the product process, that is, according to the product specialization principle, it is equipped with various equipment and workers of various types of work required for the production of a certain product (parts and components), responsible for completing all the manufacturing work of a certain product (parts and components), and processing the same labor object with different processes.