1. Look at the architecture of the sofa. Sofas are generally wedge-shaped, but try not to take that into account when nailing the edges. If you feel comfortable, try rocking the sofa back and forth. be able to show the architecture. Check for rot, worms, etc. If you can clearly feel the frame of the sofa, this sofa filler is likely to have a relatively poor density and no elasticity, so it is not recommended to buy.
2. Check the comfort of the sofa. Sit and lie down when the sofa needs to. Not only about tables and chairs, but also about beds. Therefore, when buying a sofa, it is best to sit on the spot and experience the strength. Sitting on a sofa that is too hard will cause muscle pain, and sitting on a sofa that is too soft will make everyone fall into it, and it will be uncomfortable to sit for a long time. In addition, looking at its height, it generally matches the height of the leisure table in front of the sofa. The sofa seat and back inclination angle, and whether the neck arc above the back is suitable for the neck, waist, back, butt and other body parts, can then decide whether to buy or not.
3. Scientific research on sofa raw materials. At this stage, the sofa materials mainly include fabric curtains, leather layers, and wooden sofas. All have different options. For example, wood needs to be considered. Durability, corrosion, firmness, etc. of wood. Whether it belongs to low-quality raw materials such as high-density fiberboard. In general, solid wood board sofas and leather sofas are better maintained, but indoor formaldehyde must also be considered.
4. The sofa cushion is quite elastic. The elasticity of the sofa is best to choose moderate elasticity, neither hard enough nor soft. Some vertical springs have better resilience. It is best to have a dent of 10 cm.