4 Gallon Bucket HDPE High Quality Extrusion Blow Molding Machine Zhejiang Tengmei Industry and Trade Co., Ltd Base Info Description Cooling systemSummarizeSeparate cooling system of mould, barrel and oil system Cooling mediumWater Water flow90L/min Water pressure0.3-0.6MPa Pre：PC Water Barrel Full Auto Line Extrusion Blow Molding Machine Next：Auto Line Full Automatic 4 Gallon Bucket Blower Machine
