... stainless steel, aluminum 3,Production mode: Turning, machining 1,Machine parts,cnc machining part2,Material: brass, stainless steel, ... .brass pin 2.brass terminal 3.turning parts Machine parts 4.fasteners 5.pen accessories 6.promotional penEpuipment : auto ... , gauge lathe,polishing machines,precision grinding tool machines,thread rolling machines,ultrasonic clearing machines,drilling machines and so ...