Automotive Battery Enclosure E-Coating Line | Customized KTL / CED Production System Industrial Electrophoretic Coating Solution for Electric Vehicle Battery Housings CHG provides custom-engineered electrophoretic coating production lines (E-coating / KTL / CED) for automotive battery enclosures, battery trays, and other metal components used in electric vehicles and energy storage applications. Automotive battery housings require reliable surface protection because they may