... , next we will purchase material which may refer to Stainless steel , Steel Alloys, Brass, Bronze, Copper, titanium and so on3. At the ... every machining step following our machining way, eg. CNC cutting /frame cutting, CNC rough turning, CNC milling, CNC drilling then CNC ... at the store department and wait to ship. Aluminum, Stainless Steel Prototyping Fabrication