Secondly, high-end household pressure cookers are made of SUS304 stainless steel (slightly lower than the grade of 18/ 10), representing brands Supor, Asda and Double Happiness.
Ordinary stainless steel pressure cooker uses ordinary domestic 304 stainless steel, and its purity is lower than SUS304. Second-tier brands generally use this kind of steel.
Finally, the aluminum alloy material. The quality of Mn-Ti-Al alloy pressure cookers produced during Shenyang Shuangxi 08-1is basically the same as that of domestic 304, followed by the aluminum alloy materials of various brands of pressure cookers at present.