Electro-coating is acoating method in which particles such as pigments and resins suspended in the electrophoreticfluid are oriented to migrate and deposit on the substrate surface of oneof the electrodes by using an external electric field. It is themost practical construction process forwater-based coatings. It has the characteristics of water-soluble,non-toxic, easy to automate control, etc., and is quickly widely used inindustries such as automobiles, building materials, hardware,and home appliances. Our company conducts production control in response tohigh standards of customers to ensurestable delivery of customers' products.