The equipment is a line used for priming coating and surface coating of steel and aluminum after surface degreasing, rust removal and cleaning, in order to resist rust permanently. The produced color steel plate and color aluminum plate are widely applied in fields such as building, decoration, transportation, household appliances, furniture, etc. FEATURES The production line consists of uncoiling section, pretreating section, base coating section, surface coating section, coiling section, temperature control system, electrical control system, and pneumatic and hydraulic system for mechanical equipment, all of which combine into an automatic control system for the whole production line. Heating sources like electric heater, gas-fueled heater or coal-fueled heater or hot-air furnace are used.coating line.