... –off unit ,pneumatic cutter and other auxiliary equipments.2 The PVC corrugated sheet extrusion line consists of conical –twin screw ... line ,it is really the ideal machinery for PVC corrugated sheet production .4 Unique features : bright colors ,easy to cut ,handy ,fire proofing and ... ,storage ,garage ,terminal market ,gallery ,clapboard, canopy and on . Pvc Flat and corrugated sheet production line