... as board,bamboo,cardboard,marble,rubber, plexiglass,acrylic,glass and.. Features1. YINGHE Series Laser Engraving and Cutting machine all integrates optics, ... used to process nonmetal material,such as board,bamboo,cardboard,marble,rubber, plexiglass,acrylic,glass and crystal,leather cloth. 2 ... and so on. Rotery clamp,widen the appliance of the machine. The diameter of clamp fit parts is 20mm to ...