Hardware Heavy Duty Sofa Bed Hinge Mechanism

This heavy-duty sofa bed mechanism is a core hardware fitting for convertible sofa beds. Made of thickened steel material, it delivers excellent load-bearing performance and stable multi-angle positioning. It enables your sofa to switch freely between seating and lying mode, perfect for space-saving sofa bed designs for apartments, guesthouses and small living rooms. Specifications Product Name: Sofa Bed Folding Mechanism Material: Carbon steel Surface: Raw steel / Custom finish (electrophoresis, powder coating optional) Key Dimensions: Total bottom base length: 235mm Long arm: 315mm Side vertical bar:170mm Short arm:190mm Top mounting plate:100mm Application: Convertible sofa bed, foldable sofa, multi-functional sofa furniture Package: Standard export carton FAQ Q1: Can I customize the size or surface finish? A: Yes, we support OEM & ODM, custom size, powder coating, electrophoresis surface treatment are available. Q2: What is the minimum order quantity? A: Small trial ord…