... machine for stamp2. Applicable MaterialsVarious non-metal materials,such as rubber, acrylic, plexiglass, bowlder, crystal, wood, plastic etc.3 ... used for engraving of non-metal materials: such as rubber,ox horns,wood,plexiglass, atomic materials,crystal,bowlder, etc ... artistic products. For the engraving of patterns and characters on rubber,woodboard,bamboo piece,organic glass plank and cloth.The ...