Porcelain stone or crystal is one of the stones that has been present in the construction industry in the past and has always maintained its position. In the world, such stones are known as White Marble and Chinese stone exists in our country in many different places and regions and is exploited and processed in different colors and designs, which has a very wide selling price range. is. The most famous porcelain stones in the country are Azna and Aligudarz porcelain stones. Important features of these stones are the absorption of very little water and the ability to create frames of slabbook (double) and four-mat (four) slabs using slabs in different spaces.