There are many kinds of solid wood, such as beech, elm, Fraxinus mandshurica, oak, pine, Chinese fir, agarwood and camphor wood. Oak is widely used in China. Pine and Chinese fir are poor, Fraxinus mandshurica, beech and elm are above average, and redwood series is rising. The advantage of oak is its corrosion resistance. Pine and Chinese fir have the advantage of lower prices. In addition, the physical properties of solid wood are unstable and it is not easy to do modeling. You can smell the pungent smell when you buy it, and you can't buy furniture with excessive formaldehyde.