First, buy through formal channels and try to choose products from well-known brands. When purchasing, consumers should pay attention to checking whether the instructions, labels, and product certificates are complete, and avoid buying "three no products".

Second, check whether the product is marked with its material type and material composition, such as austenitic SUS304 stainless steel, SUS316 stainless steel, or "stainless steel 06Cr19Ni10".