INTEGRATED POT: The pot ears and pot body are formed in one piece and the sand casting is durable. Physical non-stick pan: without chemical coating, the entire pan is covered with cast iron pores, can absorb oil for long-term use, create natural and healthy non-stick effect, keep away from chemical coatings, healthy and healthy choice No chemical coating: direct contact with the pot surface during cooking increases the iron content in the food. It has long-term use to supplement iron.  THICKEN THE BOTTOM OF THE POT: The whirlwind design with thickened bottom ensures a flat bottom for smoother and more even heating