... the straight-degree Baking oven using heating of liquefied gas hot air circulation system, automatic calculation program with PID ... newest environmental protection combustion furnace, which can burn the exhaust gas from the oven, and recycling the heat to the ... oven,150°C~280°C(max300°C)Heating, liquefied gas/ natural gas/ electricalTemperature, PID controlElectric, 280KWAir Source,Pressure, 5~6kgf ...