Portable marking machine works: computer (PC) controls the printing pin in the X, Y two-dimensional plane by a certain trajectory, while print needle do high impact exercise in the compressed air, thus the workpiece print out a certain depth markers. Pneumatic marking machine marking Features: 1 can print numbers, letters, characters, serial number, graphics and so on. 2 can be rotated marking, fan-shaped arrangement marking, dot marking, etc. 3. Marking effect depth adjustable, adjustable line thickness, the design can be printed by any amount of computer graphics. Typical Applications: Mainly used on cast iron deep marking, marking large parts of the body, as well as car rack number, engine number, lift the cross steel, oil pipelines and other large numbers marking the workpiece is not easy to move. Electromagnet adsorption, can move freely, suitable for large workpieces or inconvenient to move the workpiece marking (eg frame, engine, etc.) Beijing Shanda Industrial Science and Technology Development Co., Ltd. Contact: Haoxue Gang Tel :010 -51,295,818 Fax: 010 - 51296818 Website: www.sunlaser.cn www.51295818.com mail: shanda8888@126.com Address: Beijing Daxing District Yizhuang Branch Chong Third Street North Branch Road 7.