IGBT INVERTER DC ARC WELDER (ZX7-315C;ZX7-400C;ZX7-500C)
1.Frequency is to 100KHZ,high working efficiency, reduced size and weight,
easy to carry.
2. Simple structure, good process, reliable and durable, easy for maintenance.
3. Unique VRD protect electricity, safety.
4. MMA IS easy arc initiati... - Update: 2008-01-16