1. Multi-function welding machine with one year's warranty. 2. OEM service ... of power, low open circuit loss and has good welding quality.Adopt touch arc introduce technology, free from ... -weighted, high efficiency, safety, portable.Suitable for TIG and MMA welding as well as Cutting, easy to operate.For ... more than 300pcs.Certifications 3 in 1 welder--Inverter MMA/TIG/CUT welding machine--CT416