1.Roof sheet machine 2.Corrugated sheet production line 3.PVC roof sheet machine 4.extrusion production line. Plastic sheet machine: Corrugated Roof/sheet/plate Extrusion/production Line 500kg/h Screw Feeding Machine SBL-500/1000 Mixer Unit SJSZ-80/143 Conical Twin- Screw Extruder T-die SDR-CW1000 Corrugated Roof Forming Machine (including moulds) SDR-LQFT1000 Traction Cooling Bracket SDR-QG/J1000 Tracking Cutter Loading Bracket