Detailed Product Description IGBT Invert Welding MachineZX7-315/400/500/630/800/1000Suitable for the welding of low carbon steel,medium varbon steel,cast iron,low alloy steel and stainless steel.Adopting nano-meter micro-crysttal materinal with high magnet conductivity and low power loss, the machine achieves green environmental protection.The technology of ZVS improves the efficiency and ...