... letters,and figures for highway,urban area,airfield,and parking. cold spraying marking machine1 purpose XDLP-C100-400 Marking Machine with Double- ... guiding arrow-marks and letters, etc.2 Structural feature1)The marking machine consists of the digital device, the core, the ... electricity system, spraying rod and the marking pole.2)The machine selects imported HONDA gas-engineer as ...