Generally, there are mushroom ball machines, blower drying boxes, vacuum furnaces, vacuum mixers, coating machines, binding machines, slitters, slitters, riveting machines, winding machines, heating and setting machines, shell centrifuges, vacuum automatic liquid injection machines, vacuum sealing machines, automatic ball sealing machines, spot welding machines, tunnel furnaces, voltage sorting machines, battery micro-short circuit testers, battery internal resistance testers and so on.