Green Laser Engraving Machine Product Features:1. Able to mark all metal materials, and most non-metallic materials, such as ceramic, plastic, PVC, ... general marking machines in the market. 4. Fully enclosed laser module design with the optical fiber transmission pump light source, air ... files, such as AI, PLT, DXF, BMP, JPEG. Support for auto-coding, serial number, batch number, date, bar code and ...