Complete line for producing window profile, door profile, plastic seal, pvc ceiling, plastic ceiling, door panel and pvc shutter PVC ceiling production line is mainly used to producing pvc window profile, pvc door profile, pvc window sill, pvc ceiling roof, pvc shutter and pvc wire trunk and so on. PVC ceiling extrusion line consists of conical twin screw extruder, extruding moulds, vacuum tank, ...