A trademark with a guarantee trademark is called a guarantee trademark or a certification trademark. Marks used to prove the origin, raw materials, manufacturing methods, quality accuracy or other characteristics of goods are called certification trademarks. This kind of trademark has certain particularity, and it must be inspected by a special administrative organ or a quality supervision and inspection institution designated by the administrative organ, and the goods or services reach a certain quality standard before the right to use this trademark can be obtained. Therefore, according to what you see with the guaranteed mark, you can't confirm what brand and manufacturer it is.