TangshanFengrunShougangMetallurgyAndBuildingMaterialsCo.,Ltd.islocatedinTangshancity,HebeiProvince,shortenedformShougangSteelBall,isaprofessionalgrindingmediamanufacturerinresearch&serving.Mainlyproduct:grindingsteelballs,grindingsteelcylpebs,millliners,crusherhammers,etc.