mainly used in the carving marble, granite, glass, MuYu stone, metal, hard materials such as copper ... industry90 Series hardness of materials mainly used in the carving marble, granite, glass, MuYu stone, metal, hard materials such as copper ... /Corelerow / Wentai, and other CAD / CAM software, which produced exquisite relief sculpture, video carved, three-dimensional works of art.Water-cooled spindle ...