... seam welder high efficiency)1,Big power,using four balance adjustment,horn-adjustment convenient2,Sheet metal welding nonrectangular columns,avoid fadeaway.3,automatic ... guide bearing,precision trimming device performance talented.7,It can weld thermo plastic excluding Teflon.8, It has ... industry, toy industry and so on. Such as plastic body parts, car doors, car dashboard,lights,mirrors, sun visor ...