... and need not to be polished. Specification of Stone Glass Laser Engraving Model SF-960Processing area900*600mm(23.60"*35 ... materials: Non-metal materials such as double color board, Plexiglas, glass, acrylic, bamboo and wood, rubber, marble, granite and tiles, ... industry of Laser Eching Machine : billboards, artistic gifts, crystal ornaments, paper-cut, bamboo and wooden product, garment and leather, ...