This machine uses big span bridge structure.The crossbeam and side beams are sealed by oil immersion guide way,the lube make thin oil film between channeled rail and driving block,and putting the side seam protector can make the lowest cost. The main engine uses imported frequency converter to achieve stepless speed and regulation cutting. With 90°rotatable worktable, nimble rotation, accurate position,good steel and stable cutting. It suits to cut samll size stone block, thick slabs, tombstone,kerb stone act.