How to distinguish 304 and fake 304 stainless steel with the naked eye?

First of all, you can ask the seller whether to support the potion test, stainless steel material above whether there is sus 304 logo fake stainless steel above is not, and second is to check the thickness of 304 stainless steel material is generally for a millimeter, feel more hard not light. The price of the sink is generally more than 40,000, if you give you a direct report of more than 200 or more than 300 is false.