High quality touch control experience, slow operation, make the assembly line more stable, simple and clear operation. Excellent beam quality, high photoelectric conversion rate, stable power, reliable performance, no consumables, maintenance free, long service life. The system has high resolution, good light sensitivity, small loss, uniform beam distribution and improved marking accuracy. Stainless steel body, wear-resistant high-quality conveyor belt, high performance motor, strong power, lasting operation. Humanized design of lifting and ruler, strong and durable, clear scale, accurate adjustment, accurate marking position.