... round steel then galvanized. 2 ramps, external setting, 2000×750mm(L×W), surface is painted.Room BodyBack side ... 4.5S, air capacity is 15500 m3/h, with manual damper for exhaust air.Heating SystemRIELLO G10 oil burner, ... Roof PlatesGalvanized steel platesControl SystemFan operation switch, lighting switch, temperature controller, emergency stopSetting StyleSuspending steel hook from roof of building ...