It is understood that rock slabs are made of natural stone and inorganic clay through special processes, vacuum extrusion molding and automatic closed computer temperature-controlled roller kiln firing at 1300 degrees. It is the thinnest (only 3mm) and the largest size currently available. (3600×1200mm).

The English word for slate is "SINTERED STONE", translated as "sintered dense stone". However, there is still a lot of controversy about what is slate. There are roughly two definitions of rock slabs in the industry: first, some people think that rock slabs are mainly from imported brands, and some companies that regard rock slabs as a single category of independent operations will clearly distinguish rock slabs from ceramic tiles; Some people think that rock slabs are mainly produced by domestic ceramic companies. They think that rock slabs are actually large ceramic slabs, or a type of ceramic slabs.

Compared with traditional building materials, it is a new type of material. Slate has many advantages as a bathroom or kitchen countertop, background wall, etc., such as: anti-fouling, heat resistance, scratch resistance, durability, UV light resistance, and no secondary treatment on the surface. One disadvantage is that, unlike stone and other countertop materials, slate does not have the characteristic of grain throughout. At present, the patterns of rock slabs are basically printed on the surface.