It belongs to three no products. No product is not a legal concept, which means no production date, no quality certificate (or production license) and no manufacturer name. The Product Quality Law of People's Republic of China (PRC) stipulates that the product or its package must be marked with Chinese factory name, address, telephone number, license number, product logo, production date, product description, etc. If necessary, limited qualitative or suggestive explanations are needed. , all missing products are regarded as unqualified products. If one of the above requirements is missing, it can be regarded as three no products.