water cooled or air cooled extrusion screw and barrel set

{"cid":"91222495","title":"Water-cooled Or Air-cooled Single Screw Extruder Screw Barrel with Barrel Diameter 35mm-500mm and Nitrided Layer Thickness 0.5-0.8mm","imgUrl":"https:\/\/img.chinax.com\/nimg\/a7\/66\/f49e3b522909d727227e0e4859aa-200x200-1.jpg","attrs":{"Price":"USD $700\/set - USD $4500\/set","Brand Name":"Jialong","Minimum Order Quantity":"1 Set","Delivery Time":"1-35 Work Days","Place Of Origin":"China","Packaging Details":"Woodern Package","Supply Ability":"300 Piece\/Pieces Per Month","Barrel Diameter":"35mm-500mm","Barrel Hardness":"HV900-1100","Surface Treatment":"Nitriding","Screw Diameter":"20mm-200mm","Processing Type":"Nitriding Treatment","Nitrided Layer Thickness":"0.5-0.8mm","Coolingmethod":"Water-cooled Or Air-cooled","Nitriding Hardness":"HV 950-1100"}}