500L Three Layers Blow Molding Machine (YK500L-3) Qingdao Yankang Plastic Machinery Co., Ltd. Base Info Model NO.:yk500l-3Type:Extrusion Blow Molding MachineRaw Material:HDPEMaking Method of Parison:Extrusion-Blow MoldingAutomation:AutomaticComputerized:ComputerizedOrigin:Qingdao, Shandong, China Description Pre:Non-Woven Laminating Machine Next:Yk5000L-3 Three Extruders, Three Layers