FEATURES：

◆ High efficiency and energy-saving for MOSFET power switch and advanced inverter technology design . ◆ With PWM pulse width modulation technology , current controlling accurately, stable  constant current. ◆ With perfect over-current ,over-heat .over-under-voltage protection function , safety and durable . ◆ use low-priced compressed air as energy source to cut, it is economic and efficient. ◆ Narrow cutting gap, cutting edges is smooth, the workpice is not easy to become deformed, material usage rate is high . ◆ suitable for cutting  the metals such as  carbon steel. Stainless steel, alloy steel. Copper and aluminum