| *Compact size and protable lightweight design (Apply model 180)*Energy saving with low input power(Apply model80)*Various function with simple operation (Apply model 350,400,500)*Arc spot time function,crater process function, pulse function (Apply model 350,400,500)*Usage : Nickel-alloy stee,Stainless steel, Low-alloy steel, Copper-alloy, Titanium,Mild-steel etc.*Numerous functions | 
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