... Cylinder, Piston, Cylinder Sleeve, etc.(2) Mechanical Industry: to marking on Mechanical Part, Machine tool, Hardware Product, Steel Tube, ... etc.(3) To mark on Apparatus, Elector-mechanical instrument.(4) To mark on Plastic and Leather product. (5) To mark Manufacturing ... Copper, Stainless Steel or PVC material.(6) To mark Dividing Rulers on Dial Plate.Technical Parameters: Marking Contents: Chinese ...