1. Look at the material carefully: - look at the density of the material. The material of different tree species can be divided into elastic and thick. The wood skin with tight material has fine and smooth texture and good construction intensity. The finished product paint needs less consumables after completion. On the contrary, the rough and loose wood veneer has poor texture finish, is easy to be broken during construction, and there are many finished paint consumables after construction. Second, look at the defects of the material. If the wood skin has many knots and shadows, with wormholes, decay and discoloration, as well as resin and leather, it indicates that the wood skin material is poor.
　　2. Look at the processing quality: judge the processing quality of natural wood veneer. Non splicing veneer mainly depends on whether oblique knife marks, rough burrs, pollution and damage can be seen on the surface of wood veneer; Whether the thickness is uniform and reaches the marked thickness; Whether the length and width dimensions comply with the marked dimensions. In addition to the above conditions, special attention should also be paid to whether the splicing is tight or away from the gap. If it is non-woven fabric or sticker veneer, it is also necessary to check the bonding strength and fastness between veneer and non-woven fabric or paper. Normal gluing is not allowed to tear the wood skin and non-woven fabric or paper. At the same time, the non-woven fabric or paper on the opposite side should be flat without wrinkles.
　　3. Look at the product color: the high-quality veneer has fresh and tender color, uniform everywhere, rich in the unique sub luster of wood, and there is no obvious natural color difference or decay and discoloration. The main colors of wood bark of different tree species are: red (pink, orange, rose, brown, etc.), yellow (brown yellow, milk yellow, brown, etc.), white (beibai), brown (black brown, brown, etc.).
　　4. Look at the product texture: the texture of natural wood skin is usually divided into straight grain and mountain grain. A good mountain pattern should have a mountain like texture, clear vein, appropriate density, harmonious change and appropriate size. There should be no half mountain pattern or too wide straight lines on both sides; Good straight lines should be straight and fine, suitable for density, without half mountain lines or distortion and impermanence.
　　5. Look at the actual thickness: the thickness of the veneer is an important indicator of the texture of the veneer. The choice of thickness shall be determined by consumers according to the actual needs of construction and consumption grade. The solid wood texture after thick skin construction is strong, and the durability of thin skin is weak. At the same time, its durability is not as strong as thick skin.
　　6. Dry and wet by hand: the dry and wet of wood veneer is professionally called moisture content. If the hand feels wet, it indicates that the moisture content of natural wood veneer is high. If it is not produced by veneering, it is not suitable for immediate use and needs to be dried. If it is easy to break when folding by hand, it indicates that the moisture content is low. When high-quality veneer enters the market, the moisture content must be in the range of 8-24%.