Manganese Steel Counter Roller for Crush SHENZHEN QIXING TECHNOLOGY CO., LTD. Base Info Model NO.:MSCRCertification:ISO 9001:2000Surface Treatment:PolishingManufacturing Process:CastingMaterial:Alloy SteelCustomized:CustomizedTrademark:CustomizedSpecification:10KGOrigin:China Description Pre:Manganese Steel Cone for Curshing Next:Manganese Steel Hobbing for Crush