The mixing and kneading machine is one of the main equipments for producing electrode paste, positive pole, etc. it is used fot the mixing and kneading of petroleum tar, tar, metallurgical tar and coal etc material, and it is widely used for metallurgical industry, The series products adopt the horizontal Z model double shaft stirring knife, hydraulic opening door unit. The special structure of boiler is used for the different heating medium,. According to requirement, user can select the type of mixing and kneading machine.