The chemical composition of marble is calcium carbonate crystals. It is made of limestone after thousands of years of geological changes, and its magnificent hieroglyphics are 100 times better than Italian marble. Marble is one of the specialties of Yunfu and one of the four famous stones in Guangdong. Marble is a fine work of art given by nature to human beings. Its natural texture, clouds, mountains and rivers, or flowers and birds, is amazing. Indicating board based on marble. The main chemical composition of marble is calcareous crystals of carbonate, and limestone presents rich and colorful patterns after years of qualitative change. Therefore, it is widely used for decoration, and it is called the four famous stones in Guangdong together with Duanzhou Rock.
The common plate types in the market are particleboard, medium density board, joinery board and so on. Because of its special properties, stone needs regular protection, and commonly used protective agents are waterproof protection to prevent water seepage.