Find high quality heating aprose dc inverter with competitive price here. Please rest assured to buy heating aprose dc inverter with ENC Electrical Technology Co., Ltd

Volume and weight  Smaller and lighter.  Heavy and occupy more space, 5times bigger than inverter spot welding machine. 
Electrode influence Low loss, longer use time.  High loss. 
Price Expensive for buying, cheap for using.  Cheap for buying, expensive for using.