It’s a energy-saving innovation, a fully new design of re-burn pot with invent-patent. After heating the internal pot for 10 minutes, the heat-gathering block under the pot will absorb the energy, and keep 90-100% for 1 hour to reburn foods in it. So, it can save about 80% energy for normal use. The apparel of external pot likes a UFO with integral and streamline shape. All of the top lid, ring, and tallies are ergonomics, simple, comfortable , and easy for use. Without machinery or electrical material, the pot is convenient to clean, and suit for outdoor use.