... Steel, Cast Iron, Aluminum, Brass, Copper, Nylon, ABS.(2)Process: CNC Machining, milling, boring, lathing, drilling, tapping, cutting, hobbling, grinding( ... machines,we have 4-axis and 5-axis machine center,U.S imported. and someother machine center and cnc lathes. Step 1.R ... production; we send samples to customer to confirm first. 5. Sample shootIf the first sample come out is not satisfied ...