Automatic electroplating line adopts loading on one side and unloading on the other side, which realizes process operations; Stainless steel housing is conducive to cleaning; Improved hanger greatly enhances the strength; Auto-crane speed has also been increased to 0.6m/s; During electroplating, cylinder achieves full linear speed control; Currents on both sides exceed a certain value, which can be accurate sound and light alarm; Titanium pump joints on the outside of the tank are convenient for maintenance; Built-in door cover and integrated air extractor greatly reduce the material loss and environmental pollution, etc.