The kneader mixer is used to mix rubber and plastics. Designed with a unitary base, it is easy to install and maintain. A low power motor is used for energy conservation and an advance sealing structure ensures the great sealing effect. All surfaces that come into contact with the mixed materials are hard chrome plated to prevent pollution and to extend the service life of the mixer. An automatic and manual switching control system is installed on the mixing machines, with automatic control achieved using a PLC control system.