China CO2 laser engraving machine (CE) 1.USB interface 2.fast speed and high precision 3.support coreldraw,AutoCAD Feature Description1. 64 DSP high speed processor: Adopts 64 DSP high speed control system, which highly improved the data processing speed and stability.2. Support of USB and U disc: USB connect to the machine or U disc independently, which can use only one computer to control many ...