1, look at the color, the colors of different multi-star multi-purpose pots are very different, so we can tell their authenticity by looking at the color. For example, stainless steel after pickling is silvery white, chrome stainless steel is slightly gray, chrome nickel steel without pickling is brownish white, chrome steel is brownish black, and chrome manganese nitrogen is black. Pay attention to the distinction.

2, magnet detection, identification of authenticity multi-star multi-purpose pot can also be identified by magnets, such as chromium stainless steel can be attracted by magnets in any state, chromium-nickel stainless steel is cold-worked, some are magnetic, some are nonmagnetic, and high manganese steel is also nonmagnetic.