Cutting using circular knitting machine made of high strength aluminum alloy die casting, light portable. widely used in petroleum, chemical, shipbuilding, machinery manufacturing field of cutting pipe. Cutting machine especially suitable for cutting circular parts, such as: round holes, flanges, especially for bulk cutting of the same shape parts. CG2-600 maximum cutting diameter: 600mm, CG2-1000 maximum cutting diameter: 1000mm,CG2-600A and CG2-1000A are available at the same time cutting inside and outside round model: CG2-600