Imitation of firewood burning process. At a high temperature of 1300 degrees, the clay is fired by the reduction process of kiln fire to form ash naturally, and the effect is obvious on the surface. According to the firing effect of different kiln positions of the kiln, the surface of the vessel type shows a kiln change effect such as dark brown, dark brown, dark yellow, and dark gray in some positions. The vessel type is more simple and old-fashioned, not only retro but also valuable.
