... tunnel oven 1. baking time: 8 minutes to 60minutes. 2. 380V, 50 HZ, 3 phase. 3. pan size: 400*600mm. Automatic Bread ... production capacity and single product. With continuously baking function, tunnel oven works under pipe-lining operation which provides high efficiency and ... . Baking range: Pie, Bread, Cake, Buisket, moon-cake, toast etc. Automatic bread production line electric tunnel oven