Purpose: Especialy suitable for high value big norms of granite and marble processing. Features: Controlled by microcomputers, the machine is generally positioned by fully automatic girder displacement, with easy operation and high cutting accuracy, and can make use of slabs to the utmost extent. Main elements of the machine (frequency converter, magnescale and laser level) are imported high-quality components and parts, which ensure the stable mechanical property, strong applicability and high reliability.