This hinge ensures smooth opening and closing of the door, adding a touch of tranquility to your space and eliminating the noise of chaos, embracing the serenity of silent operation This hidden door hinge has a seamless appearance,after installation, they operate smoothly and have no visible external hinges, enhancing the beauty of your door This hinge is suitable for use in concealed or secret doors. This design not only enhances the visual effect but also increases security by preventing external access to the hinge components This door hinge reduces the gap between the moving door panel and the fixed door panel, making the overall appearance more attractive This door hinge is suitable for use in wooden boxes, cabinets, folding tables, folding doors, revolving doors, and concealed fireproof doors, etc, Manufacturer: FORVEXILLA