... engraving of the hard materials such as marble, granite, glass, stone etc.2.Adopt Taiwan Linear guide rail. The ... spindle, can process hard materials efficiently.Appliable Fields: 1.stone crafts, make relief, scrupture, big statue, pottery and ... Advertising signs, acrylic brands, calligraphy, 3D characters, garden or wall decoration, logo, acrylic cutting, billboard, characters cutting, plate, LED ...