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