1, automatic machine 2, import vibration bowl 3 increase your profit, 4 less cost on lab 5. good service ,longlife automatic battery soldering equipment This machine auto finished seal welding for top cap and steel can, 1. auto feeding the steel can 2. auto welding the top can and steel can to keep the battery seal well. This machine ER14250, ER17505, ER18505, ER34615 etc.