chrome plating hardness hv 900 1000 twin conical screw assembly

{"cid":"91222495","title":"Max Length 8000mm Twin-Conical Screw Assembly with Product Diameter 20-200mm and Chrome Plating Hardness HV 900-1000 for PVC Pipe","imgUrl":"https:\/\/img.chinax.com\/nimg\/c5\/45\/1f68b0bb9424b8362cb8649f266a-200x200-1.jpg","attrs":{"Price":"USD $5600\/set","Brand Name":"Jialong","Model Number":"80\/156","Minimum Order Quantity":"1 Set","Delivery Time":"1-35 Work Days","Place Of Origin":"China","Certification":"ISO9001","Packaging Details":"Woodern Package","Payment Terms":"T\/T","Chrome Plating Hardness":"HV 900-1000","Screw Rotation Speed":"0-60rpm","Product Nitriding Depth":"0.5-0.8mm","Surface Treatment":"Bimetallic Coating","Product Hardness":"HRC58-62","Cooling Type":"Air Cooling","Product Diameter":"20-200mm","Application":"Plastic Extrusion"}}