... Scope: Motor part, Mechanical part, Machine tool, Hardware product, Valve, Pump valve, Electro-mechanical equipment, Plastic product and ... with Labeling Fixture (which is optional accessory); Mechanical part can be marked without Labeling Fixture (some ... Cylinder, Piston, Cylinder Sleeve, etc.(2) Mechanical Industry: to marking on Mechanical Part, Machine tool, Hardware Product, Steel Tube ...