... Investment casting,Precision casting 2)Material:stainless steel,carbon steel 3) ... :Investment casting,Steel casting,Precision casting2)Material:stainless steel,carbon steel,alloy steel ... machine,milling machine,NC lathe ,radial drilling machine,conventional lathe,sawing machine,linear cutting machine,polishing machine,ect.9)Testing machine:spectrometer,detector tensile test machine,hardness test machine ...