PVC Three-Layer Co-Extrusion Foam Board Produciton Line Qingdao Qingsu Times Machinery Co., Ltd. Base Info Product Type：PVC BoardBoard Layers：MultilayerScrew No.：Double-screwAutomation：AutomaticComputerized：ComputerizedCertification：CE, ISO9001:2008Customized：CustomizedCondition：New Description Pre：PVC Pipe Extrusion Machinery, Pipe Extrusion System Next：PVC (WPC) Crust Foam Board Production Line
