... hot die forged steel shaft 2,High quality and lowest price 3,Fast delivery ... Surface treatmentHeat treatment, Polishing, shot blasting, Painting, Electro-plating, Chemical Plating,InspectionEquipmentsMetallurgical analysis, Tensile strength tester, Hardness tester ... , Altimeter, Scale Micrometer, pressure tester, etc.DeliverySamples are sent ...