Product Overview The NBM-350Z/500Z is a modular double-pulse MIG/MAG welding machine engineered for professional industrial fabrication. Combining an integrated water tank, wire feeder, and power source in a single unit, it delivers stable, high-quality welds with minimal spatter across a wide range of applications. Models covered: NBM-350Z / NBM-500Z Key Features PWM wire-feed circuit with a highly stable power supply for smooth, consistent wire feeding. IGBT soft-switching