The main structure of the sofa is built with a scientifically treated high-quality wooden frame, ensuring stability and durability. When moved, it feels solid and well-constructed. The inner frame is made from premium splints (9–15 mm thick) and solid wood, unlike the lower-quality materials commonly used by other manufacturers. This construction not only enhances the sofa’s strength but also effectively resists decay, insects, and mold, making it a long-lasting choice for any home. A soft sofa is an essential piece in a living room with a clean and modern style. Before purchasing, it's important to understand the structure, materials, and quality of the leather or fabric used. Here are the key features: 1. **Main Structure**: The sofa consists of a wooden frame, nylon elastic bands, springs, foam cushions, and either leather or fabric coverings. 2. **Material Selection**: The wooden frame is carefully processed to ensure strength and reliability. The internal structure uses high-quality splints and wood, which are more durable than the secondary materials often found in cheaper sofas. This design prevents common issues like warping, rot, and damage over time. 3. **Elastic and Spring System**: The base of the seat and backrest are supported by nylon elastic bands and a cross-net spring system. The ergonomic design of the coil springs ensures comfort, breathability, and a cool seating experience, avoiding the issue of overheating during use. 4. **Foam Filling**: The seat cushion is filled with high-resilience foam with a density of at least 30 kg/m³, while the back cushion uses foam with a minimum density of 25 kg/m³. All foams undergo low-temperature cold-heating treatment, resulting in uniform bubbles, high density, and excellent rebound. This ensures the cushions remain firm and comfortable, quickly returning to their original shape after pressure is released. 5. **Leather and Fabric Quality**: The cover material—whether leather or fabric—is soft, glossy, and highly breathable. It offers excellent resistance to fading, maintains even thickness, and has strong elasticity and wear resistance. The materials meet strict environmental standards and are designed to withstand daily use over time. For more information about the Huangjia Yinuo sofa, visit [Huangjia Yinuo Sofa](http://hjyn.cnjiaju.com/share).

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