This coating line for aluminum wheel has the reasonable layout,convient hanging way,high cleaness of operating condition.The line is equipped with air-supply system of 100,000 stage and multi-stage dust cleaning system.The PLCcontrols whole system and touch-up panel display the running status. 1.Combined pre-treatment adopts multi-stage inverse cleaning technique. 2.Painting booth for aluminum wheel is a top air supply,bottom air draft structure,equipped with dynamic & static pressure cabinet.The speed of air supply is 0.3 0.5m/s(adjustable)and air current is steady and even.The water curtain system,which set in the backside of the painting booth,filtrates 95% of painting fog.The waster gas is exhausted through high-level. 3.Vertical & horizontal overhead conveyor. Non-standard coating line design and manufacture according to customers' requirement and products.