... accepted 4.Various material available Machining parts 1.Tight tolerance 2.Precision machining 3.Small quantity accepted ... steel, aluminum, zinc, copper, brass, plastic etcMachining process:CNC machining, milling, turning, drilling, planning, welding, laser cuttingSurface treatment ... STP, STL and X-T) Machining parts 1.Tight tolerance 2.Precision machining Machining parts3.Small quantity accepted 4. ...