... .High efficient mixer head; 3.Rich spare parts; 4.Long life. Machine Injection Pu Shoes PU Shoes Machine PU Shoe Making Machine ... mixer head, high precision rotary valve, safe and reliable with long life. 2.The PLC/MCU controller, display parameters by screen ... mixing head, make equal blending of material solutions. 5.Adopt long continuous working time cooling device, decrease the cleaning time of ...