In terms of raw materials, we will choose the best material or choose which material you want, before making the hpl, we will check the quality of each layer, etc, to ensure the quality of the finished product. For the surface ,our product have very smooth shining surface and many colors for you to choose ,that why our board quality is much better than others and even it looks much more beautiful from the appearance!!! We guarantee our materials for the block board from inside to outside are the super quality!