Classification of wood
Blockboard plate using natural veneer and solid wood panel by the adhesive, formed by hot pressing. On the basis of raw material quality and surface texture can be divided into the "excellence" and "first class" and "qualified products". The inner core of the raw materials are poplar, birch, pine, Paulownia etc.. Surface material can be separated on both sides of the board or the two layer of veneer, can be classified as three layers of fine wood board and five layers of fine wood boards, etc..