... on the surface Material is open for carbon/alloy steel High Precision Steel ShaftUsed on Train system, supply to European Customer. ... , JIS, and ISO.Form of Products:1.CNC Precision Machined Parts2.Precision Casting Parts and Machining3.Sand Casting Parts and Machining4 ... etc.2.Brass, Bronze, Aluminum, Aluminum Alloy, and Zinc Alloy etc.3.Grey Iron, Ductile Iron, Cast Iron etc High Precision Machining ...