1) Bottom layer: made of polyester material, with moisture-proof function.
2) Base course: generally made of density board. Depending on the density of density board, it can also be divided into low density board, medium density board and high density board.
3) Decoration layer: it is a kind of beautiful and durable decoration layer that the special paper printed with a specific pattern is soaked in the solution of trimeric hydrogen ammonia, after chemical treatment, the chemical property is stable after heating reaction with trimeric hydrogen ammonia, and no chemical reaction occurs again.