Hinges, also known as hinges, are mechanical devices used to connect two solids and allow relative rotation between them. The hinge can be made of movable components or made of foldable material. Hinges are mainly installed on doors and windows, while hinges are more installed on cabinets. According to the classification of materials, they are mainly divided into stainless steel hinges and iron hinges. In order to allow people to better enjoy the hydraulic hinge (also known as damping hinge) Its characteristic is to bring a buffer function when the cabinet door is closed, which minimizes the noise emitted by the cabinet door when it collides with the cabinet body.