CNC Metal pipe cutting machine 1 Air operated,hydraulic. 2 Has the circulating coolong system 3 Burr free,no dusty CNC Metal pipe cutting machine1 Air operated,the hydrauic ... the bevelling,the angle is freely precise.3 Has the circulating cooling system,selects the corresponding cutting compound to be possible to ... 275,300,315300,315,350350,400,455 YJ-350YNC Automatic Metal pipe cutting machine