... light weight(5.4KG) ,good price and super quality . sample construction ,high techinic ,reliable and durable ,easily maintain 1.Adopt with ... protect the environment,light and compact,portable.2.unique output charactristic design ,used for fill wire weding,good weld ... 4.sample construction ,high techinic ,reliable and durable ,easily maintain5. stable welding current and high speed spot welding .6. ...