1.Single phase moving core type and forced air cooling structure. 2.stable arc,less spatter and deep penetration pass ISO9001 1.Single phase moving core type and forced air cooling structure.2.stable arc,less spatter and deep penetration pass ISO9001and gain CCC,CE certificate.3.single struture ,high efficiency,easy to operate and maintainence welding quality is wellappliation:Item : Bx-400Input ...