... :Sand casting, Investment casting, Precision casting, Die casting6.Material:Grey iron, Ductile iron, Stainless steel, Carbon steel, ... RINA8.Machining equipment:CNC Lathe, CNC Drilling Machine, CNC Milling Machine, CNC Machining Center etc.Quality Control:Our ... measuring system, spectrograph, Optical Brinell hardness tester, tensile testing machine, air-gauge, Dial bore gauges, Inside Micrometer etc. ...