The wafer biscuit processing line can be combined and displayed according to customer’s local space or biscuit technical requirement. Adopting hearing-medium conduction technology with heating oil as medium, the plant is a new generation product developed exclusively in China based on the advanced structure of existing plants from domestic market and abroad. If offers an ideal solution for lower power consumption and overall production cost, and keeping the same surface color for all biscuits. Using the heating medium conduction technology and heating oil as the medium, the new generation product development of plants in China is completely based on the advanced structure of existing power plants from domestic and foreign markets.