The dry overspray removal system E-Cube is suitable for the recirculated air system of the spray booth of the painting workshop.Faw-Volkswagen automobile company limited has applied it to 300000 units/a painting line for the first time in China.The principle,structure,sink air,material consumption,waste generation,personnel consumption,spare parts consumption,emissions and energy consumption in batch operation of E-Cube system were elaborated and researched.