Temperature of mixing chamber:intelligent digital display; 5.5 Each action chain protecting function:not reach spacing or working condition, program not implement;5.6 PLC control,logic program control;5.7 Electrical control system: control cabinet and connecting box;5.8 Operation: by buttons, manual and auto switch, can set two times of auto mixing time;5.9 Overloading protection: main motor and turning motor;5.10 Reversal available;