... more free.2, adopt streamlined design and advanced stainless steel technology to dealing with the surface.3, lareg area pressure-releasing ... safely and durable.8, inported high-quality 18-8stainless steel and allo a;i,onum reunite the bottom, imported ... high-quaality 18-8stainless steel body and cover.9, three layers reunite and bottom, suit to electromagnetic stove. stainless steel pressure cooker