... system, air filtration system, paint mist treatment system, organic exhaust treatment system, heating system, workpiece ground-chain conveying system, interior hoist, safety alarm system, lighting system, electrical control system ... & 3 rows of checkered plates. 2 pcs of ramps.Air Circulation SystemIntake Fan2x4kw intake fan. BELIMO 20N electric damper.Exhaust Fan1x5 ...