... Casting:1, Casting Material: Grey iron, Ductile iron, Alloy steel , Carbon Steel, Aluminum, Brass,etc2, Standard: ISO 9001:20083, Full set ... Quality Control4, Best Quality and Best Price5, On time delivery6, Casting Process: Client Drawing--Mould Sampling--Casting--Rough Machining--HT-- ... BarbaraTEL: 0086-411-8370-1520FAX: 0086-411-8370-4610 Carbon steel flang casting with Japanese CNC machining