LD-AT series Combined Flat Tempering Furnace LD-AT series Combined Flat Tempering Furnace has two combined heating sections, in which JetConvection heating and AirStream heating technologies are applied for optimum heating effect according to different features of glass sheets; its quenching and cooling section consists of one chiller or more chillers according to quality requirements of end products. The flexible combinations of JetConvection and AirStream heating technologies and various working modes form different performances and features of these series products, which meet particular requests due to different kinds of glass sheets. LD-AT Series Combined Flat Tempering Furnace LD-AT se