316 stainless steel material, German material label 18-10 stainless steel, using three-layer steel technology, 430 food grade magnetic stainless steel material on the outside, suitable for induction cooker, electric ceramic furnace, open fire, high thermal conductivity aluminum alloy material in the middle, fast heat conduction, internal food grade 316 stainless steel material, healthy and environmental protection, pot body integrated molding, inner side using no rivet link, safe and firm, long service life!