1, cold water used in cooling mold plastic processing machinery, plastic products can greatly improve the surface finish and reduce the plastic surface marks and internal stress patterns, so that products do not shrink, without distortion to facilitate stripping of plastic products, accelerate product shape, thus greatly improve production efficiency of plastic molding machine. 2, the chiller used in CNC machine tools, jig boring, grinding, machining centers, machine tool and a variety of precision machine tool spindle lubricating and hydraulic cooling system transmission media, to precisely control the oil, effectively reduce the thermal deformation of machine tools, improve the machining accuracy.