... , compound construction , Aluminum-alloy Frame , Anti-flame and Heat-Insulation ,thickness: 50mm Basement Full Grid , Adjustable Height , Galvanized Steel Sheet Construction , Three ... Burner , 26000Kca/hHeat exchangerStainless Steel , 186KW,Argon Arc Welding , the heat exchange rate 85% Max Temp : 80 degree, heating Time:3 ...