... approved 2.customer-oriented design. 3. hardfacing welding 4.Be controlled automatic Details of producrt:1.Can hardfacing process and ... hardfacing process in numeral.2.Carry out the automatic recovery of welding flux,avoiding the pollution of the dust,and ... .5.All craft parameters within the welding process can be controlled automatic,include the welding current,voltage,wire speed,traverse speed, ...