... not exceeding 3mmApplicable Scope: Motor part, Mechanical part, Machine tool, Hardware product, Valve, Pump valve, Electro-mechanical equipment ... to fix the marking position of product.)Major parts: Main Machine, Flat Marking Controller, Marking Software (Labeling Fixture ... etc.(2) Mechanical Industry: to marking on Mechanical Part, Machine tool, Hardware Product, Steel Tube, Sleeve, Collar, Roller, ...