Baoding Masahiro Food Machinery Manufacturing Co., Ltd. (Contact: Manager Wu, the same tunnel oven can be divided into many according to different classification criteria: 1. the number of points by channel single-channel and multi-channel tunnel furnace tunnel furnace 2 Press the flame is clearly entering a tunnel flame tunnel furnace, muffle furnace and semi-tunnel tunnel muffle furnace 3. Press the kiln car transport equipment at the tunnel oven, push plate tunnel furnace, roller hearth tunnel furnace, tunnel furnace conveyor , stepping tunnel kiln, tunnel furnace air cushion 4. Press the firing temperature points cryogenic tunnel furnace, tunnel furnace temperature, high-temperature tunnel kiln, ultra-high-temperature tunnel furnace. 5. sub-species fired tunnel furnace refractories, ceramics tunnel furnace, tunnel furnace brick 6. points by heat flame tunnel ovens, electric tunnel furnace.