twin screw barrel 3 5 cooling zones

{"cid":"91222495","title":"State-of-the-Art Bimetallic Coated Parallel Twin Extrusion Screws and Barrels with 4 Cooling Zones","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/09\/73\/5d9a3cb184b6c528f66c68a1fa17-200x200-1.jpg","attrs":{"Price":"4900","Brand Name":"Jialong","Model Number":"90\/20D","Minimum Order Quantity":"1 Set","Delivery Time":"1-35 Work Days","Place Of Origin":"China","Packaging Details":"Woodern Package","Payment Terms":"TT","Supply Ability":"300 Piece\/Pieces Per Month","Barrel Cooling Zones":"4","Screw Cooling System":"Air Cooling, Water Cooling","Hardness":"HRC58-62","Barrel Heating Zones":"4","Screw Cooling Zones":"4","Screw Coating":"Nitriding, Bimetallic, Tungsten Carbide","Screw Surface Roughness":"Ra 0.4\u03bcm-0.6\u03bcm","Treatment":"Nitried Screw Barrel"}}

{"cid":"91222550","title":"Air Cooled Twin Screw Extruder Pelletizing Plastic Screw Extruder Extrusion Granulator","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/68\/dd\/6c346e50362e30e49eeae60b0ef5-200x200-1.jpg","attrs":{"Brand Name":"yanwei","Model Number":"SHJ-35","Minimum Order Quantity":"1 set","Delivery Time":"30 working days","Place of Origin":"CHINA","Payment Terms":"L\/C, T\/T","Packaging Details":"wooden packing","Output":"High Output","Capacity":"800-1500kg\/H","Hs Code":"8438800000","Extruder Control":"Cabinet","Processing Technics":"Crushing-before-Mixing","Finished Products":"Floating And Sinking Fish Feed","Mould":"Pvc Extruder Water Supply Line","Screw Elements Material":"W6mo5cr4V2"}}