Muchuan mainly apply two kinds of industrial mold temperature control unit which are water circulating mold temperature control unit and hot oil mold temperature control unit. They are applied to heat the mold and remain the temperature of the mold. The mold temperature controller could be divided into two kinds, including water circulating mold temperature control unit and hot oil mold temperature control unit. With the machine, the temperature of molds and heat transfer rolls are well controlled, allowing the manufacturing of perfect plastic products.