... almost all kinds of the materials, such as iron, gray iron, ductile iron, steel, stainless stee, carbon steel, alloy ... , such as CNC Lathe, CNC Drilling Machine, CNC Milling Machine, CNC Machining CenterQuality Control:Our manufactory have ... system, spectrograph, Optical Brinell hardness tester, tensile testing machine, air-gauge, Dial bore gauges, Inside Micrometer ... JIS DIN ASTM etc. foundry cast iron