The main structure of the sofa is designed with a scientifically processed high-quality wooden frame, ensuring strong stability and durability. When moved, it feels solid and reliable, offering a sense of confidence in its construction. The inner frame is made from premium splints (9-15 mm thick) and solid wood, unlike the lower-grade materials used by many other manufacturers. This high-quality construction helps prevent issues such as decay, insect damage, and mold, making the sofa more long-lasting and resistant to wear. A soft sofa is an essential piece for a living room with a clean and modern style. Before purchasing, it's important to understand the structure and materials used in the sofa, as well as the quality of leather or fabric options available. 1. **Main Structure of the Sofa**: The sofa consists of a wooden frame, nylon elastic bands, springs, foam cushions, and either leather or fabric coverings. Each component plays a key role in ensuring comfort and longevity. 2. **Material Selection for the Frame**: The frame is made from high-quality, treated wood that is both strong and durable. The inner structure uses premium splints and solid wood, avoiding the use of secondary or recycled materials commonly found in cheaper models. This ensures better resistance to moisture, pests, and structural degradation over time. 3. **Features of Nylon Elastic and Springs**: The base of the seat and backrest are constructed using nylon elastic bands and a cross-linked snake spring system. These components are ergonomically designed to provide support while maintaining breathability, preventing discomfort from heat buildup during use. 4. **Foam Filling Characteristics**: The seat cushion is filled with high-resilience foam with a density of at least 30 kg/m³, while the backrest uses foam with a minimum density of 25 kg/m³. All foams undergo low-temperature cold-heating treatment, resulting in uniform bubbles, consistent density, and excellent rebound performance. This ensures the cushions remain firm and comfortable even after extended use. 5. **Leather and Fabric Quality**: The upholstery features soft, glossy materials with good breathability and color retention. The fabric or leather is uniformly thick, highly elastic, and resistant to wear. It also has strong mechanical properties, including high tear and tensile strength, meeting strict environmental standards and standing the test of time. For more information about the Huangjia Yinuo sofa, visit: [Huangjia Yinuo Sofa](http://hjyn.cnjiaju.com/share) [Image: A high-quality sofa design showing craftsmanship and comfort] [Image: Another view of the sofa's structure and materials]

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