Introducing our top-notch product, the Backrest Mechanism Biaode SHB2057A Adjustable Front And Back For Sofa Backrest Moving Hinge / SHB2057A! As a factory specializing in furniture accessories, we are proud to offer this exceptional mechanism. With its adjustable design, it allows effortless front and back movement of your sofa's backrest. Crafted with precision and durability in mind, this hinge guarantees stability and smooth functionality. Elevate your comfort and experience utmost convenience with our SHB2057A, exclusively manufactured in our factory.