... Steel SkinBoards,50mm Thick, Tongue & Groove Style,Compound Construction, Antiflameand Heat-Insulation/ Galvanized Roof Panel/ Basement:Galvanized SteelSheet and Square Steel Pipe ... System: Diesel Burner BT18 Diesel Burner, 180000Kcal/h, 10N DampMotor /Heat Energy Converter Stainless Steel, Argon Arc Welding, The HeatExchange Rate ...