Touching the surface of the leather by hand touches the leather surface if it is smooth, soft, plump, and elastic. Generally, the artificial leather surface is astringent, rigid, and soft. 
2 Ignite From the back of real leather and artificial leather, tear off a bit of fiber. When it ignites, it gives a pungent odor and forms a leatherette. Any leather that emits a scent of hair and hardens it is leather. 
3 look material leather sofa leather cortex most soft, thick, the best quality, and wear durable, the price is affordable, now on the market to sell much buffalo leather, yellow leather, green leather leather better and relatively higher prices. The skin texture of horse skin is similar to that of leather, but the skin is prone to peeling for a long time, so it is cheaper. 
4 Look at the wooden frame to see if the skeleton of the sofa is strong, which is related to the service life and quality assurance of the sofa. This method can be used to test small, pro-test effective. The specific method is to lift one of the three-seater sofas. When the raised part is separated by 10cm, the other leg is off the ground and only the other side is also off the ground. The inspection is passed. 
5 See fills filled with sofas are divided into high elasticity, high elasticity, super softness and bullets. Pressing the handrail and backrest of the sofa by hand, if the wooden frame is clearly felt, it proves that the filling density of the sofa is not high, the elasticity is not good, and the wooden frame and the sofa cover are easily worn. 
6 Sponges are generally used sponge cushions, national standards 25KG/M3, international standards 35KG/M3. The structure of the bottom surface, high elastic spring structure is better than the bandage structure, high-quality bandages are better than bad bandage structure, and Ai Ruisi fabric sofa cushion adopts an ecological high-density polyurethane soft foam without Freon (a harmful type of damage to the atmosphere (Material) or other diffusing agent; The sofa adopts one-time molding polyurethane, 40KG per cubic meter surpasses the international standard (international standard ≧ 35KG per cubic meter). After a long time compression, it can quickly rebound, return to the original, no deformation, no collapse . Sofa sofa
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