PVC Double Wall Corrugated Pipe Extrusion Line Diameter:100-1500mm PCC control system Capacity:400-1200kg/h CE,TUV PVC Double Wall Corrugated Pipe Extrusion Line Main ParameterModelSBG-250SBG-500SBG-1000SBG-1500Pipe diameter range(OD), mmΦ110-Φ250Φ200-Φ500Φ250-Φ1,000Φ800-Φ1,500High speed cold mixerGLJ200/500GLJ500/1600GLJ500/1600GLJ500/1600Conic double screw extruderSJSZ-80SJSZ-92SJSZ-92SJSZ- ...