Engineered Laminated Hardwood Flooring 

     The structure of engineering wood flooring usually consists of the following parts:      1. Surface layer: also known as panel layer, it is the top layer of the floor, directly in contact with people. The surface layer usually uses solid wood materials, such as oak, walnut, etc., which have natural wood grain and texture, providing the aesthetic and comfort of the floor.      2. Intermediate layer: The intermediate layer is the core layer of the floor, usually composed of multi-layer plywood or high-density fiberboard (HDF). The main function of the intermediate layer is to provide stability and strength for the floor. Plywood is usually made by bonding multiple layers of wooden boards with adhesive, while HDF is made by pressing wood fibers and synthetic resin.      3. Bottom layer: The bottom layer is the lowest layer of the floor, usually composed of plywood or cork material. The main function of the bottom layer is…