Backrest Mobile Hinges is the trademarked name of the product, which belongs to our business. Its design takes into account how the human body functions mechanically.Referring to the specifics of several goods, iterative updates show that the combination of iron and plastic provides two benefits: the material is durable, stable, and prevents swaying, and high steel is chosen to absorb and eliminate noise.The product is suitable for sofa backrest and sofa armrest. Easy to install.Iron serves as the primary component, welding is used to join it, and it can be pushed back and forth. The front push state primarily serves as a backrest for a sofa, allowing a person to sit, and the back push state allows them to lie on the sofa, making it the finest option for dual use.The edges are neat and flat, the installation screws are welded more firmly under high temperature, and the metal parts are fused to each other to withstand high weight. Support plate and support iron frame using pressure open, fine electro-chromium plating process, environmentally friendly electroplating good fluidity, can resist corrosion, is not easy to wear, is not easy to oxidize, is not fade, thickened material delicate, with high durability, thickened rivets, activities more smoothly.We have experienced designers and professional engineers who can provide customization service. We have our own factory and automatic powder coating workshop, which can meet different needs of our customers. Additionally, we have a wealth of expertise working with various consumers over a long period of time, so we are confident in our ability to offer personalized services.