... board extrusion line. 1.application:foamed board. 2.Electric handspike distance:500mm. 3.field:building decoration WPC Foamed Board Extrusion Line SJMS series wood-plastic profile extrusion line ... frame,window jamp,columm profile,stair handrail,floor board,decoration panel,furnuture,etc. Proper double screw extruder ... Die head: Tractor: Extruder: Stacker: Total line: Cutter: Vacuum sizing platform: