stainless steel low pressure cooker SUS304 for body, 1.0mm body, 1.2mm lid,sandwich bottom 1, stainless steel low pressure cooker have ... 4 safety set, open -close /lock valve, safety window, safety induction valve,pressure -limiting ... even upon the limited pressure.5, adopt imprted thickening silicon sealing ring more safely and durable.6, imported high-quality ...