Three no products. Fuding white tea without a manufacturer is considered a three-no product. Three-no products generally refer to products with no production date, no quality certificate, no manufacturer, and unknown origins. Another way to say it is: Three-no products are products that have no production factory name, no production factory address, and no production health license code. "Three-no products" is not a legal concept, but it has become a relatively popular term, referring to no production date, no quality certificate (or production license) and no producer name. There is also a saying that: Three-no products are products that have no production factory name, no production factory address, and no production health license code. It is also said that there is no factory name, no address, and no trademark.