... fields:Superstar heavy stone engraving machine can make lettering and carving on natural granite, marble, stone, crystal stone, microlite, all ... line, etc. Can be worked with Yin, Yang carving, line carving, relief sculpture. Engraving depth can reach to 200mm. ... arc bottom, needle bottom, flat characters, etc. Suitable for carving the epitaph, stone, decoration, kitchen, furniture and other ...