... ,with ce ccc approve MIG270 arc welding machine, advantages as follow:1.well suited for welding sheet and plate of moderate thickness ... ,convient operation.5.effcient productivity ,good welding quanlity,no dregs,open arc,small heat affect zone,small strain and ... beautiful look of welding seam6.overload protecting function,good reliability7.increase in eletric arc self-locking function user ...