Electrophoresis coating is a specific method of forming coating film, and only suitable for water paints specially used for electrophoresis coating. It is one of the most widespread methods of priming for automobile coating for the past thirty years.

Electrophoresis coating is a coating method of dipping a conductive coated substance into a tank filled with water-diluted and low concentration electrophoresis paint as anode (or cathode), setting up a corresponding cathode (or anode) in the tank, passing through DC current for some time between the two electrodes and finally isolating homogeneous and water soluble coating film on the coated substance.

The electrophoresis coating method demonstrates the advantages of high efficiency, high quality, economical application. It grew initial from the automobile industry, expanding to other fields of architectural materials, light industry, household appliances and the like.

Electrophoresis coating equipment is composed of a transportation component, electrophoresis tank and auxiliary equipment, stirring & filtration circulatory system, ultra-filtration settings, stirring & feeding device, a DC power supply and adjunctive electrical equipment, a flushing device for post-electrophoresis, a thermostat for the paint liquid, an electrode device, a drying room and so forth.