50w Syrad Davi co2 laser marking machine is with small laser capacity metal tube and mirror foucs, ingergrated machine structure. With marking area from 110*110mm-300*300mm.Suitable for marking and engraving non metal materials such as wood、acylic、paper、denim jeans、sole 、leather、EVA、slipper、PU 、PVC、invitation card,etc. Can choose China metal tube, such as Davi, CRD, etc. Also can choose imported metal tube, like Syrad, Coherent, etc.