Carbon crystal is a kind of microcrystalline carbon particles purified from minerals. It is high temperature resistant, corrosion resistant, and has a stable molecular structure. Carbon fiber board, waterproof, zero formaldehyde, and ultra-high density are high-end products worth having. Carbon crystal wooden doors , The wooden door made of this carbon element crystal as the material of the door leaf veneer, the inside of the door has solid wood, particle board (or plywood, Tubular Core board, etc.) composite materials.