... plastic sheets, organic glass,copper,aluminum 2.1 year warantee wood engraving machine We have cr cr-l cte three cnc ... control system, can work alone without PC.2,Separate micro step driver, makes work more accurately, movement more stable.3, ... materials can be processed,for example aluminum.plastic plates and wood etc. ModelCR8090CR1212CR1218CR1225working area (mm)900*12701300*17251300*23251300*2925X. ...